Home / 22,562.42-31,135.76-12,490.66

Finding the Fourth Proportional to 22,562.42, 31,135.76 and 12,490.66

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Solution

The fourth proportional to 22,562.42, 31,135.76 and 12,490.66 is: 17,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,562.42 : 31,135.76 = 12,490.66 : x
  2. Step 2: Convert to fraction form
    22,562.42/31,135.76 = 12,490.66/x
  3. Step 3: Cross multiply
    22,562.42x = 31,135.76 × 12,490.66
  4. Step 4: Simplify right side
    22,562.42x = 388,906,192.00
  5. Step 5: Solve for x
    x = 388,906,192.00/22,562.42
  6. Step 6: Final answer
    x = 17,236.90

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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.