Home / 13,652.27-20,481.14-4,294.64

Finding the Fourth Proportional to 13,652.27, 20,481.14 and 4,294.64

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Solution

The fourth proportional to 13,652.27, 20,481.14 and 4,294.64 is: 6,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.27 : 20,481.14 = 4,294.64 : x
  2. Step 2: Convert to fraction form
    13,652.27/20,481.14 = 4,294.64/x
  3. Step 3: Cross multiply
    13,652.27x = 20,481.14 × 4,294.64
  4. Step 4: Simplify right side
    13,652.27x = 87,959,114.42
  5. Step 5: Solve for x
    x = 87,959,114.42/13,652.27
  6. Step 6: Final answer
    x = 6,442.82

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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.