Home / 13,497.92-20,243.28-5,179.04

Finding the Fourth Proportional to 13,497.92, 20,243.28 and 5,179.04

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Solution

The fourth proportional to 13,497.92, 20,243.28 and 5,179.04 is: 7,767.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.92 : 20,243.28 = 5,179.04 : x
  2. Step 2: Convert to fraction form
    13,497.92/20,243.28 = 5,179.04/x
  3. Step 3: Cross multiply
    13,497.92x = 20,243.28 × 5,179.04
  4. Step 4: Simplify right side
    13,497.92x = 104,840,756.85
  5. Step 5: Solve for x
    x = 104,840,756.85/13,497.92
  6. Step 6: Final answer
    x = 7,767.18

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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.