Home / 16,856.18-25,282.11-5,168.42

Finding the Fourth Proportional to 16,856.18, 25,282.11 and 5,168.42

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Solution

The fourth proportional to 16,856.18, 25,282.11 and 5,168.42 is: 7,751.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.18 : 25,282.11 = 5,168.42 : x
  2. Step 2: Convert to fraction form
    16,856.18/25,282.11 = 5,168.42/x
  3. Step 3: Cross multiply
    16,856.18x = 25,282.11 × 5,168.42
  4. Step 4: Simplify right side
    16,856.18x = 130,668,562.97
  5. Step 5: Solve for x
    x = 130,668,562.97/16,856.18
  6. Step 6: Final answer
    x = 7,751.97

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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.