Home / 12,207.10-18,310.65-8,052.70

Finding the Fourth Proportional to 12,207.10, 18,310.65 and 8,052.70

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Solution

The fourth proportional to 12,207.10, 18,310.65 and 8,052.70 is: 12,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.10 : 18,310.65 = 8,052.70 : x
  2. Step 2: Convert to fraction form
    12,207.10/18,310.65 = 8,052.70/x
  3. Step 3: Cross multiply
    12,207.10x = 18,310.65 × 8,052.70
  4. Step 4: Simplify right side
    12,207.10x = 147,450,171.26
  5. Step 5: Solve for x
    x = 147,450,171.26/12,207.10
  6. Step 6: Final answer
    x = 12,079.05

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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.