Home / 22,644.42-31,250.07-13,690.14

Finding the Fourth Proportional to 22,644.42, 31,250.07 and 13,690.14

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Solution

The fourth proportional to 22,644.42, 31,250.07 and 13,690.14 is: 18,892.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,644.42 : 31,250.07 = 13,690.14 : x
  2. Step 2: Convert to fraction form
    22,644.42/31,250.07 = 13,690.14/x
  3. Step 3: Cross multiply
    22,644.42x = 31,250.07 × 13,690.14
  4. Step 4: Simplify right side
    22,644.42x = 427,817,833.31
  5. Step 5: Solve for x
    x = 427,817,833.31/22,644.42
  6. Step 6: Final answer
    x = 18,892.86

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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.