Home / 10,119.11-15,181.40-3,549.92

Finding the Fourth Proportional to 10,119.11, 15,181.40 and 3,549.92

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Solution

The fourth proportional to 10,119.11, 15,181.40 and 3,549.92 is: 5,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.11 : 15,181.40 = 3,549.92 : x
  2. Step 2: Convert to fraction form
    10,119.11/15,181.40 = 3,549.92/x
  3. Step 3: Cross multiply
    10,119.11x = 15,181.40 × 3,549.92
  4. Step 4: Simplify right side
    10,119.11x = 53,892,661.83
  5. Step 5: Solve for x
    x = 53,892,661.83/10,119.11
  6. Step 6: Final answer
    x = 5,325.83

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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.