Home / 25,197.74-34,772.13-13,712.27

Finding the Fourth Proportional to 25,197.74, 34,772.13 and 13,712.27

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Solution

The fourth proportional to 25,197.74, 34,772.13 and 13,712.27 is: 18,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,197.74 : 34,772.13 = 13,712.27 : x
  2. Step 2: Convert to fraction form
    25,197.74/34,772.13 = 13,712.27/x
  3. Step 3: Cross multiply
    25,197.74x = 34,772.13 × 13,712.27
  4. Step 4: Simplify right side
    25,197.74x = 476,804,921.97
  5. Step 5: Solve for x
    x = 476,804,921.97/25,197.74
  6. Step 6: Final answer
    x = 18,922.53

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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.