Home / 16,422.89-24,634.40-13,120.52

Finding the Fourth Proportional to 16,422.89, 24,634.40 and 13,120.52

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Solution

The fourth proportional to 16,422.89, 24,634.40 and 13,120.52 is: 19,680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,422.89 : 24,634.40 = 13,120.52 : x
  2. Step 2: Convert to fraction form
    16,422.89/24,634.40 = 13,120.52/x
  3. Step 3: Cross multiply
    16,422.89x = 24,634.40 × 13,120.52
  4. Step 4: Simplify right side
    16,422.89x = 323,215,949.11
  5. Step 5: Solve for x
    x = 323,215,949.11/16,422.89
  6. Step 6: Final answer
    x = 19,680.83

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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.