Home / 13,176.10-19,764.15-8,251.30

Finding the Fourth Proportional to 13,176.10, 19,764.15 and 8,251.30

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Solution

The fourth proportional to 13,176.10, 19,764.15 and 8,251.30 is: 12,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.10 : 19,764.15 = 8,251.30 : x
  2. Step 2: Convert to fraction form
    13,176.10/19,764.15 = 8,251.30/x
  3. Step 3: Cross multiply
    13,176.10x = 19,764.15 × 8,251.30
  4. Step 4: Simplify right side
    13,176.10x = 163,079,930.90
  5. Step 5: Solve for x
    x = 163,079,930.90/13,176.10
  6. Step 6: Final answer
    x = 12,376.95

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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.