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Finding the Fourth Proportional to 10,155, 15,232.52 and 3,229.52

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Solution

The fourth proportional to 10,155, 15,232.52 and 3,229.52 is: 4,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155 : 15,232.52 = 3,229.52 : x
  2. Step 2: Convert to fraction form
    10,155/15,232.52 = 3,229.52/x
  3. Step 3: Cross multiply
    10,155x = 15,232.52 × 3,229.52
  4. Step 4: Simplify right side
    10,155x = 49,193,727.99
  5. Step 5: Solve for x
    x = 49,193,727.99/10,155
  6. Step 6: Final answer
    x = 4,844.29

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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.