Home / 8,560.20-12,840.30-7,466.70

Finding the Fourth Proportional to 8,560.20, 12,840.30 and 7,466.70

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Solution

The fourth proportional to 8,560.20, 12,840.30 and 7,466.70 is: 11,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.20 : 12,840.30 = 7,466.70 : x
  2. Step 2: Convert to fraction form
    8,560.20/12,840.30 = 7,466.70/x
  3. Step 3: Cross multiply
    8,560.20x = 12,840.30 × 7,466.70
  4. Step 4: Simplify right side
    8,560.20x = 95,874,668.01
  5. Step 5: Solve for x
    x = 95,874,668.01/8,560.20
  6. Step 6: Final answer
    x = 11,200.05

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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.