Home / 16,581.92-24,883.12-6,721.28

Finding the Fourth Proportional to 16,581.92, 24,883.12 and 6,721.28

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Solution

The fourth proportional to 16,581.92, 24,883.12 and 6,721.28 is: 10,086.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.92 : 24,883.12 = 6,721.28 : x
  2. Step 2: Convert to fraction form
    16,581.92/24,883.12 = 6,721.28/x
  3. Step 3: Cross multiply
    16,581.92x = 24,883.12 × 6,721.28
  4. Step 4: Simplify right side
    16,581.92x = 167,246,416.79
  5. Step 5: Solve for x
    x = 167,246,416.79/16,581.92
  6. Step 6: Final answer
    x = 10,086.07

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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.