Home / 13,839.92-19,098.55-7,552.30

Finding the Fourth Proportional to 13,839.92, 19,098.55 and 7,552.30

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Solution

The fourth proportional to 13,839.92, 19,098.55 and 7,552.30 is: 10,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.92 : 19,098.55 = 7,552.30 : x
  2. Step 2: Convert to fraction form
    13,839.92/19,098.55 = 7,552.30/x
  3. Step 3: Cross multiply
    13,839.92x = 19,098.55 × 7,552.30
  4. Step 4: Simplify right side
    13,839.92x = 144,237,979.17
  5. Step 5: Solve for x
    x = 144,237,979.17/13,839.92
  6. Step 6: Final answer
    x = 10,421.88

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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.