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Finding the Fourth Proportional to 13,995.52, 19,310.52 and 8,332

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Solution

The fourth proportional to 13,995.52, 19,310.52 and 8,332 is: 11,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.52 : 19,310.52 = 8,332 : x
  2. Step 2: Convert to fraction form
    13,995.52/19,310.52 = 8,332/x
  3. Step 3: Cross multiply
    13,995.52x = 19,310.52 × 8,332
  4. Step 4: Simplify right side
    13,995.52x = 160,895,252.64
  5. Step 5: Solve for x
    x = 160,895,252.64/13,995.52
  6. Step 6: Final answer
    x = 11,496.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.