Home / 22,714.28-31,348.67-13,761.93

Finding the Fourth Proportional to 22,714.28, 31,348.67 and 13,761.93

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Solution

The fourth proportional to 22,714.28, 31,348.67 and 13,761.93 is: 18,993.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,714.28 : 31,348.67 = 13,761.93 : x
  2. Step 2: Convert to fraction form
    22,714.28/31,348.67 = 13,761.93/x
  3. Step 3: Cross multiply
    22,714.28x = 31,348.67 × 13,761.93
  4. Step 4: Simplify right side
    22,714.28x = 431,418,133.32
  5. Step 5: Solve for x
    x = 431,418,133.32/22,714.28
  6. Step 6: Final answer
    x = 18,993.26

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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.