Home / 22,687.58-31,304.24-13,254.32

Finding the Fourth Proportional to 22,687.58, 31,304.24 and 13,254.32

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Solution

The fourth proportional to 22,687.58, 31,304.24 and 13,254.32 is: 18,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,687.58 : 31,304.24 = 13,254.32 : x
  2. Step 2: Convert to fraction form
    22,687.58/31,304.24 = 13,254.32/x
  3. Step 3: Cross multiply
    22,687.58x = 31,304.24 × 13,254.32
  4. Step 4: Simplify right side
    22,687.58x = 414,916,414.32
  5. Step 5: Solve for x
    x = 414,916,414.32/22,687.58
  6. Step 6: Final answer
    x = 18,288.26

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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.