Home / 22,121.40-33,182.10-14,248.20

Finding the Fourth Proportional to 22,121.40, 33,182.10 and 14,248.20

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Solution

The fourth proportional to 22,121.40, 33,182.10 and 14,248.20 is: 21,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.40 : 33,182.10 = 14,248.20 : x
  2. Step 2: Convert to fraction form
    22,121.40/33,182.10 = 14,248.20/x
  3. Step 3: Cross multiply
    22,121.40x = 33,182.10 × 14,248.20
  4. Step 4: Simplify right side
    22,121.40x = 472,785,197.22
  5. Step 5: Solve for x
    x = 472,785,197.22/22,121.40
  6. Step 6: Final answer
    x = 21,372.30

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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.