Home / 10,559.60-15,839.40-5,375.60

Finding the Fourth Proportional to 10,559.60, 15,839.40 and 5,375.60

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Solution

The fourth proportional to 10,559.60, 15,839.40 and 5,375.60 is: 8,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.60 : 15,839.40 = 5,375.60 : x
  2. Step 2: Convert to fraction form
    10,559.60/15,839.40 = 5,375.60/x
  3. Step 3: Cross multiply
    10,559.60x = 15,839.40 × 5,375.60
  4. Step 4: Simplify right side
    10,559.60x = 85,146,278.64
  5. Step 5: Solve for x
    x = 85,146,278.64/10,559.60
  6. Step 6: Final answer
    x = 8,063.40

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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.