Home / 22,287.66-30,757.19-12,215.87

Finding the Fourth Proportional to 22,287.66, 30,757.19 and 12,215.87

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Solution

The fourth proportional to 22,287.66, 30,757.19 and 12,215.87 is: 16,858.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,287.66 : 30,757.19 = 12,215.87 : x
  2. Step 2: Convert to fraction form
    22,287.66/30,757.19 = 12,215.87/x
  3. Step 3: Cross multiply
    22,287.66x = 30,757.19 × 12,215.87
  4. Step 4: Simplify right side
    22,287.66x = 375,725,834.61
  5. Step 5: Solve for x
    x = 375,725,834.61/22,287.66
  6. Step 6: Final answer
    x = 16,858.02

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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.