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Finding the Fourth Proportional to 15,299.52, 22,922.09 and 6,395.22

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Solution

The fourth proportional to 15,299.52, 22,922.09 and 6,395.22 is: 9,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299.52 : 22,922.09 = 6,395.22 : x
  2. Step 2: Convert to fraction form
    15,299.52/22,922.09 = 6,395.22/x
  3. Step 3: Cross multiply
    15,299.52x = 22,922.09 × 6,395.22
  4. Step 4: Simplify right side
    15,299.52x = 146,591,800.42
  5. Step 5: Solve for x
    x = 146,591,800.42/15,299.52
  6. Step 6: Final answer
    x = 9,581.47

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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.