Home / 16,680.60-24,980.40-8,872.20

Finding the Fourth Proportional to 16,680.60, 24,980.40 and 8,872.20

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Solution

The fourth proportional to 16,680.60, 24,980.40 and 8,872.20 is: 13,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.60 : 24,980.40 = 8,872.20 : x
  2. Step 2: Convert to fraction form
    16,680.60/24,980.40 = 8,872.20/x
  3. Step 3: Cross multiply
    16,680.60x = 24,980.40 × 8,872.20
  4. Step 4: Simplify right side
    16,680.60x = 221,631,104.88
  5. Step 5: Solve for x
    x = 221,631,104.88/16,680.60
  6. Step 6: Final answer
    x = 13,286.76

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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.