Home / 16,820.20-25,204.56-8,476.90

Finding the Fourth Proportional to 16,820.20, 25,204.56 and 8,476.90

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Solution

The fourth proportional to 16,820.20, 25,204.56 and 8,476.90 is: 12,702.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.20 : 25,204.56 = 8,476.90 : x
  2. Step 2: Convert to fraction form
    16,820.20/25,204.56 = 8,476.90/x
  3. Step 3: Cross multiply
    16,820.20x = 25,204.56 × 8,476.90
  4. Step 4: Simplify right side
    16,820.20x = 213,656,534.66
  5. Step 5: Solve for x
    x = 213,656,534.66/16,820.20
  6. Step 6: Final answer
    x = 12,702.38

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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.