Home / 9,503.94-13,115.49-5,312.19

Finding the Fourth Proportional to 9,503.94, 13,115.49 and 5,312.19

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Solution

The fourth proportional to 9,503.94, 13,115.49 and 5,312.19 is: 7,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,503.94 : 13,115.49 = 5,312.19 : x
  2. Step 2: Convert to fraction form
    9,503.94/13,115.49 = 5,312.19/x
  3. Step 3: Cross multiply
    9,503.94x = 13,115.49 × 5,312.19
  4. Step 4: Simplify right side
    9,503.94x = 69,671,974.82
  5. Step 5: Solve for x
    x = 69,671,974.82/9,503.94
  6. Step 6: Final answer
    x = 7,330.85

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Half scale
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Double scale
Find fourth proportional to 9,504.94, 13,116.87 and 5,313.19
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.