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Finding the Fourth Proportional to 9,111.19, 13,666.78 and 7,034.23

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Solution

The fourth proportional to 9,111.19, 13,666.78 and 7,034.23 is: 10,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.19 : 13,666.78 = 7,034.23 : x
  2. Step 2: Convert to fraction form
    9,111.19/13,666.78 = 7,034.23/x
  3. Step 3: Cross multiply
    9,111.19x = 13,666.78 × 7,034.23
  4. Step 4: Simplify right side
    9,111.19x = 96,135,205.55
  5. Step 5: Solve for x
    x = 96,135,205.55/9,111.19
  6. Step 6: Final answer
    x = 10,551.34

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.