Home / 10,581.68-15,861.36-4,338.92

Finding the Fourth Proportional to 10,581.68, 15,861.36 and 4,338.92

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Solution

The fourth proportional to 10,581.68, 15,861.36 and 4,338.92 is: 6,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.68 : 15,861.36 = 4,338.92 : x
  2. Step 2: Convert to fraction form
    10,581.68/15,861.36 = 4,338.92/x
  3. Step 3: Cross multiply
    10,581.68x = 15,861.36 × 4,338.92
  4. Step 4: Simplify right side
    10,581.68x = 68,821,172.13
  5. Step 5: Solve for x
    x = 68,821,172.13/10,581.68
  6. Step 6: Final answer
    x = 6,503.80

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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.