Home / 10,118.60-15,181.92-3,549.48

Finding the Fourth Proportional to 10,118.60, 15,181.92 and 3,549.48

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Solution

The fourth proportional to 10,118.60, 15,181.92 and 3,549.48 is: 5,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.60 : 15,181.92 = 3,549.48 : x
  2. Step 2: Convert to fraction form
    10,118.60/15,181.92 = 3,549.48/x
  3. Step 3: Cross multiply
    10,118.60x = 15,181.92 × 3,549.48
  4. Step 4: Simplify right side
    10,118.60x = 53,887,921.40
  5. Step 5: Solve for x
    x = 53,887,921.40/10,118.60
  6. Step 6: Final answer
    x = 5,325.63

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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.