Home / 10,560.11-15,840.16-4,319.03

Finding the Fourth Proportional to 10,560.11, 15,840.16 and 4,319.03

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Solution

The fourth proportional to 10,560.11, 15,840.16 and 4,319.03 is: 6,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.11 : 15,840.16 = 4,319.03 : x
  2. Step 2: Convert to fraction form
    10,560.11/15,840.16 = 4,319.03/x
  3. Step 3: Cross multiply
    10,560.11x = 15,840.16 × 4,319.03
  4. Step 4: Simplify right side
    10,560.11x = 68,414,155.05
  5. Step 5: Solve for x
    x = 68,414,155.05/10,560.11
  6. Step 6: Final answer
    x = 6,478.55

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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.