Home / 10,591.44-15,874.64-4,347.60

Finding the Fourth Proportional to 10,591.44, 15,874.64 and 4,347.60

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Solution

The fourth proportional to 10,591.44, 15,874.64 and 4,347.60 is: 6,516.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,591.44 : 15,874.64 = 4,347.60 : x
  2. Step 2: Convert to fraction form
    10,591.44/15,874.64 = 4,347.60/x
  3. Step 3: Cross multiply
    10,591.44x = 15,874.64 × 4,347.60
  4. Step 4: Simplify right side
    10,591.44x = 69,016,584.86
  5. Step 5: Solve for x
    x = 69,016,584.86/10,591.44
  6. Step 6: Final answer
    x = 6,516.26

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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.