Home / 22,562.39-31,135.62-12,490.25

Finding the Fourth Proportional to 22,562.39, 31,135.62 and 12,490.25

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Solution

The fourth proportional to 22,562.39, 31,135.62 and 12,490.25 is: 17,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,562.39 : 31,135.62 = 12,490.25 : x
  2. Step 2: Convert to fraction form
    22,562.39/31,135.62 = 12,490.25/x
  3. Step 3: Cross multiply
    22,562.39x = 31,135.62 × 12,490.25
  4. Step 4: Simplify right side
    22,562.39x = 388,891,677.71
  5. Step 5: Solve for x
    x = 388,891,677.71/22,562.39
  6. Step 6: Final answer
    x = 17,236.28

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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.