Home / 22,057.38-30,439.33-11,985.91

Finding the Fourth Proportional to 22,057.38, 30,439.33 and 11,985.91

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Solution

The fourth proportional to 22,057.38, 30,439.33 and 11,985.91 is: 16,540.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,057.38 : 30,439.33 = 11,985.91 : x
  2. Step 2: Convert to fraction form
    22,057.38/30,439.33 = 11,985.91/x
  3. Step 3: Cross multiply
    22,057.38x = 30,439.33 × 11,985.91
  4. Step 4: Simplify right side
    22,057.38x = 364,842,963.78
  5. Step 5: Solve for x
    x = 364,842,963.78/22,057.38
  6. Step 6: Final answer
    x = 16,540.63

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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.