Home / 10,575.50-15,862.65-3,179.81

Finding the Fourth Proportional to 10,575.50, 15,862.65 and 3,179.81

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Solution

The fourth proportional to 10,575.50, 15,862.65 and 3,179.81 is: 4,769.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.50 : 15,862.65 = 3,179.81 : x
  2. Step 2: Convert to fraction form
    10,575.50/15,862.65 = 3,179.81/x
  3. Step 3: Cross multiply
    10,575.50x = 15,862.65 × 3,179.81
  4. Step 4: Simplify right side
    10,575.50x = 50,440,213.10
  5. Step 5: Solve for x
    x = 50,440,213.10/10,575.50
  6. Step 6: Final answer
    x = 4,769.53

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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.