Home / 9,938.40-13,715.24-5,462.25

Finding the Fourth Proportional to 9,938.40, 13,715.24 and 5,462.25

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Solution

The fourth proportional to 9,938.40, 13,715.24 and 5,462.25 is: 7,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.40 : 13,715.24 = 5,462.25 : x
  2. Step 2: Convert to fraction form
    9,938.40/13,715.24 = 5,462.25/x
  3. Step 3: Cross multiply
    9,938.40x = 13,715.24 × 5,462.25
  4. Step 4: Simplify right side
    9,938.40x = 74,916,042.38
  5. Step 5: Solve for x
    x = 74,916,042.38/9,938.40
  6. Step 6: Final answer
    x = 7,538.04

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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.