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Finding the Fourth Proportional to 16,363.54, 24,549.24 and 5,271.28

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Solution

The fourth proportional to 16,363.54, 24,549.24 and 5,271.28 is: 7,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,363.54 : 24,549.24 = 5,271.28 : x
  2. Step 2: Convert to fraction form
    16,363.54/24,549.24 = 5,271.28/x
  3. Step 3: Cross multiply
    16,363.54x = 24,549.24 × 5,271.28
  4. Step 4: Simplify right side
    16,363.54x = 129,405,917.83
  5. Step 5: Solve for x
    x = 129,405,917.83/16,363.54
  6. Step 6: Final answer
    x = 7,908.19

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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.