Home / 22,318.62-30,800.03-12,246.90

Finding the Fourth Proportional to 22,318.62, 30,800.03 and 12,246.90

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Solution

The fourth proportional to 22,318.62, 30,800.03 and 12,246.90 is: 16,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.62 : 30,800.03 = 12,246.90 : x
  2. Step 2: Convert to fraction form
    22,318.62/30,800.03 = 12,246.90/x
  3. Step 3: Cross multiply
    22,318.62x = 30,800.03 × 12,246.90
  4. Step 4: Simplify right side
    22,318.62x = 377,204,826.17
  5. Step 5: Solve for x
    x = 377,204,826.17/22,318.62
  6. Step 6: Final answer
    x = 16,900.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.