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Finding the Fourth Proportional to 22,995.70, 34,499.62 and 12,461.04

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Solution

The fourth proportional to 22,995.70, 34,499.62 and 12,461.04 is: 18,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,995.70 : 34,499.62 = 12,461.04 : x
  2. Step 2: Convert to fraction form
    22,995.70/34,499.62 = 12,461.04/x
  3. Step 3: Cross multiply
    22,995.70x = 34,499.62 × 12,461.04
  4. Step 4: Simplify right side
    22,995.70x = 429,901,160.38
  5. Step 5: Solve for x
    x = 429,901,160.38/22,995.70
  6. Step 6: Final answer
    x = 18,694.85

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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.