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Finding the Fourth Proportional to 9,503.11, 13,114.31 and 5,311.36

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Solution

The fourth proportional to 9,503.11, 13,114.31 and 5,311.36 is: 7,329.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,503.11 : 13,114.31 = 5,311.36 : x
  2. Step 2: Convert to fraction form
    9,503.11/13,114.31 = 5,311.36/x
  3. Step 3: Cross multiply
    9,503.11x = 13,114.31 × 5,311.36
  4. Step 4: Simplify right side
    9,503.11x = 69,654,821.56
  5. Step 5: Solve for x
    x = 69,654,821.56/9,503.11
  6. Step 6: Final answer
    x = 7,329.69

Related Problems

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Half scale
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Double scale
Find fourth proportional to 9,504.11, 13,115.69 and 5,312.36
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.