Home / 22,167.40-33,251.10-11,108.20

Finding the Fourth Proportional to 22,167.40, 33,251.10 and 11,108.20

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Solution

The fourth proportional to 22,167.40, 33,251.10 and 11,108.20 is: 16,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.40 : 33,251.10 = 11,108.20 : x
  2. Step 2: Convert to fraction form
    22,167.40/33,251.10 = 11,108.20/x
  3. Step 3: Cross multiply
    22,167.40x = 33,251.10 × 11,108.20
  4. Step 4: Simplify right side
    22,167.40x = 369,359,869.02
  5. Step 5: Solve for x
    x = 369,359,869.02/22,167.40
  6. Step 6: Final answer
    x = 16,662.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.