Home / 15,839.55-23,868.27-13,127.27

Finding the Fourth Proportional to 15,839.55, 23,868.27 and 13,127.27

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Solution

The fourth proportional to 15,839.55, 23,868.27 and 13,127.27 is: 19,781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,839.55 : 23,868.27 = 13,127.27 : x
  2. Step 2: Convert to fraction form
    15,839.55/23,868.27 = 13,127.27/x
  3. Step 3: Cross multiply
    15,839.55x = 23,868.27 × 13,127.27
  4. Step 4: Simplify right side
    15,839.55x = 313,325,105.38
  5. Step 5: Solve for x
    x = 313,325,105.38/15,839.55
  6. Step 6: Final answer
    x = 19,781.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.