Home / 15,422.80-23,134.20-14,620.90

Finding the Fourth Proportional to 15,422.80, 23,134.20 and 14,620.90

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Solution

The fourth proportional to 15,422.80, 23,134.20 and 14,620.90 is: 21,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.80 : 23,134.20 = 14,620.90 : x
  2. Step 2: Convert to fraction form
    15,422.80/23,134.20 = 14,620.90/x
  3. Step 3: Cross multiply
    15,422.80x = 23,134.20 × 14,620.90
  4. Step 4: Simplify right side
    15,422.80x = 338,242,824.78
  5. Step 5: Solve for x
    x = 338,242,824.78/15,422.80
  6. Step 6: Final answer
    x = 21,931.35

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Similar ratio
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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.