Home / 25,098.12-34,635.38-13,767.53

Finding the Fourth Proportional to 25,098.12, 34,635.38 and 13,767.53

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Solution

The fourth proportional to 25,098.12, 34,635.38 and 13,767.53 is: 18,999.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,098.12 : 34,635.38 = 13,767.53 : x
  2. Step 2: Convert to fraction form
    25,098.12/34,635.38 = 13,767.53/x
  3. Step 3: Cross multiply
    25,098.12x = 34,635.38 × 13,767.53
  4. Step 4: Simplify right side
    25,098.12x = 476,843,391.20
  5. Step 5: Solve for x
    x = 476,843,391.20/25,098.12
  6. Step 6: Final answer
    x = 18,999.17

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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.