Home / 22,346.14-30,834.24-12,912.88

Finding the Fourth Proportional to 22,346.14, 30,834.24 and 12,912.88

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Solution

The fourth proportional to 22,346.14, 30,834.24 and 12,912.88 is: 17,817.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,346.14 : 30,834.24 = 12,912.88 : x
  2. Step 2: Convert to fraction form
    22,346.14/30,834.24 = 12,912.88/x
  3. Step 3: Cross multiply
    22,346.14x = 30,834.24 × 12,912.88
  4. Step 4: Simplify right side
    22,346.14x = 398,158,841.01
  5. Step 5: Solve for x
    x = 398,158,841.01/22,346.14
  6. Step 6: Final answer
    x = 17,817.79

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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.