Home / 22,864.38-31,551.36-12,791.08

Finding the Fourth Proportional to 22,864.38, 31,551.36 and 12,791.08

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Solution

The fourth proportional to 22,864.38, 31,551.36 and 12,791.08 is: 17,650.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,864.38 : 31,551.36 = 12,791.08 : x
  2. Step 2: Convert to fraction form
    22,864.38/31,551.36 = 12,791.08/x
  3. Step 3: Cross multiply
    22,864.38x = 31,551.36 × 12,791.08
  4. Step 4: Simplify right side
    22,864.38x = 403,575,969.87
  5. Step 5: Solve for x
    x = 403,575,969.87/22,864.38
  6. Step 6: Final answer
    x = 17,650.86

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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.