Home / 22,644.28-31,232.46-13,212.28

Finding the Fourth Proportional to 22,644.28, 31,232.46 and 13,212.28

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Solution

The fourth proportional to 22,644.28, 31,232.46 and 13,212.28 is: 18,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,644.28 : 31,232.46 = 13,212.28 : x
  2. Step 2: Convert to fraction form
    22,644.28/31,232.46 = 13,212.28/x
  3. Step 3: Cross multiply
    22,644.28x = 31,232.46 × 13,212.28
  4. Step 4: Simplify right side
    22,644.28x = 412,652,006.61
  5. Step 5: Solve for x
    x = 412,652,006.61/22,644.28
  6. Step 6: Final answer
    x = 18,223.23

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Similar ratio
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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.