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Finding the Fourth Proportional to 15,324.13, 22,969.84 and 8,736.13

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Solution

The fourth proportional to 15,324.13, 22,969.84 and 8,736.13 is: 13,094.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,324.13 : 22,969.84 = 8,736.13 : x
  2. Step 2: Convert to fraction form
    15,324.13/22,969.84 = 8,736.13/x
  3. Step 3: Cross multiply
    15,324.13x = 22,969.84 × 8,736.13
  4. Step 4: Simplify right side
    15,324.13x = 200,667,508.32
  5. Step 5: Solve for x
    x = 200,667,508.32/15,324.13
  6. Step 6: Final answer
    x = 13,094.87

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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.