Home / 9,478.92-14,201.36-5,581.20

Finding the Fourth Proportional to 9,478.92, 14,201.36 and 5,581.20

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Solution

The fourth proportional to 9,478.92, 14,201.36 and 5,581.20 is: 8,361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.92 : 14,201.36 = 5,581.20 : x
  2. Step 2: Convert to fraction form
    9,478.92/14,201.36 = 5,581.20/x
  3. Step 3: Cross multiply
    9,478.92x = 14,201.36 × 5,581.20
  4. Step 4: Simplify right side
    9,478.92x = 79,260,602.53
  5. Step 5: Solve for x
    x = 79,260,602.53/9,478.92
  6. Step 6: Final answer
    x = 8,361.78

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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.