Home / 10,539.03-15,811.10-3,144.06

Finding the Fourth Proportional to 10,539.03, 15,811.10 and 3,144.06

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Solution

The fourth proportional to 10,539.03, 15,811.10 and 3,144.06 is: 4,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.03 : 15,811.10 = 3,144.06 : x
  2. Step 2: Convert to fraction form
    10,539.03/15,811.10 = 3,144.06/x
  3. Step 3: Cross multiply
    10,539.03x = 15,811.10 × 3,144.06
  4. Step 4: Simplify right side
    10,539.03x = 49,711,031.35
  5. Step 5: Solve for x
    x = 49,711,031.35/10,539.03
  6. Step 6: Final answer
    x = 4,716.85

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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.