Home / 10,299.60-15,445.80-5,367.60

Finding the Fourth Proportional to 10,299.60, 15,445.80 and 5,367.60

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Solution

The fourth proportional to 10,299.60, 15,445.80 and 5,367.60 is: 8,049.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.60 : 15,445.80 = 5,367.60 : x
  2. Step 2: Convert to fraction form
    10,299.60/15,445.80 = 5,367.60/x
  3. Step 3: Cross multiply
    10,299.60x = 15,445.80 × 5,367.60
  4. Step 4: Simplify right side
    10,299.60x = 82,906,876.08
  5. Step 5: Solve for x
    x = 82,906,876.08/10,299.60
  6. Step 6: Final answer
    x = 8,049.52

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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.