Home / 16,143.62-24,170.28-8,721.50

Finding the Fourth Proportional to 16,143.62, 24,170.28 and 8,721.50

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Solution

The fourth proportional to 16,143.62, 24,170.28 and 8,721.50 is: 13,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143.62 : 24,170.28 = 8,721.50 : x
  2. Step 2: Convert to fraction form
    16,143.62/24,170.28 = 8,721.50/x
  3. Step 3: Cross multiply
    16,143.62x = 24,170.28 × 8,721.50
  4. Step 4: Simplify right side
    16,143.62x = 210,800,976.17
  5. Step 5: Solve for x
    x = 210,800,976.17/16,143.62
  6. Step 6: Final answer
    x = 13,057.85

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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.