Home / 22,656.78-31,265.55-13,700.97

Finding the Fourth Proportional to 22,656.78, 31,265.55 and 13,700.97

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Solution

The fourth proportional to 22,656.78, 31,265.55 and 13,700.97 is: 18,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.78 : 31,265.55 = 13,700.97 : x
  2. Step 2: Convert to fraction form
    22,656.78/31,265.55 = 13,700.97/x
  3. Step 3: Cross multiply
    22,656.78x = 31,265.55 × 13,700.97
  4. Step 4: Simplify right side
    22,656.78x = 428,368,362.58
  5. Step 5: Solve for x
    x = 428,368,362.58/22,656.78
  6. Step 6: Final answer
    x = 18,906.85

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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.