Home / 10,039.92-15,057.40-4,772.56

Finding the Fourth Proportional to 10,039.92, 15,057.40 and 4,772.56

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Solution

The fourth proportional to 10,039.92, 15,057.40 and 4,772.56 is: 7,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.92 : 15,057.40 = 4,772.56 : x
  2. Step 2: Convert to fraction form
    10,039.92/15,057.40 = 4,772.56/x
  3. Step 3: Cross multiply
    10,039.92x = 15,057.40 × 4,772.56
  4. Step 4: Simplify right side
    10,039.92x = 71,862,344.94
  5. Step 5: Solve for x
    x = 71,862,344.94/10,039.92
  6. Step 6: Final answer
    x = 7,157.66

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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.