Home / 16,478.57-24,717.78-3,998.55

Finding the Fourth Proportional to 16,478.57, 24,717.78 and 3,998.55

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Solution

The fourth proportional to 16,478.57, 24,717.78 and 3,998.55 is: 5,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.57 : 24,717.78 = 3,998.55 : x
  2. Step 2: Convert to fraction form
    16,478.57/24,717.78 = 3,998.55/x
  3. Step 3: Cross multiply
    16,478.57x = 24,717.78 × 3,998.55
  4. Step 4: Simplify right side
    16,478.57x = 98,835,279.22
  5. Step 5: Solve for x
    x = 98,835,279.22/16,478.57
  6. Step 6: Final answer
    x = 5,997.81

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1.5x scale

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.