Home / 10,439.86-15,659.82-3,044.50

Finding the Fourth Proportional to 10,439.86, 15,659.82 and 3,044.50

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Solution

The fourth proportional to 10,439.86, 15,659.82 and 3,044.50 is: 4,566.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.86 : 15,659.82 = 3,044.50 : x
  2. Step 2: Convert to fraction form
    10,439.86/15,659.82 = 3,044.50/x
  3. Step 3: Cross multiply
    10,439.86x = 15,659.82 × 3,044.50
  4. Step 4: Simplify right side
    10,439.86x = 47,676,321.99
  5. Step 5: Solve for x
    x = 47,676,321.99/10,439.86
  6. Step 6: Final answer
    x = 4,566.76

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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.