Home / 22,542.38-31,095.30-13,584.20

Finding the Fourth Proportional to 22,542.38, 31,095.30 and 13,584.20

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Solution

The fourth proportional to 22,542.38, 31,095.30 and 13,584.20 is: 18,738.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,542.38 : 31,095.30 = 13,584.20 : x
  2. Step 2: Convert to fraction form
    22,542.38/31,095.30 = 13,584.20/x
  3. Step 3: Cross multiply
    22,542.38x = 31,095.30 × 13,584.20
  4. Step 4: Simplify right side
    22,542.38x = 422,404,774.26
  5. Step 5: Solve for x
    x = 422,404,774.26/22,542.38
  6. Step 6: Final answer
    x = 18,738.25

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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.