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Finding the Fourth Proportional to 13,304.97, 19,957.92 and 4,984.11

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Solution

The fourth proportional to 13,304.97, 19,957.92 and 4,984.11 is: 7,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.97 : 19,957.92 = 4,984.11 : x
  2. Step 2: Convert to fraction form
    13,304.97/19,957.92 = 4,984.11/x
  3. Step 3: Cross multiply
    13,304.97x = 19,957.92 × 4,984.11
  4. Step 4: Simplify right side
    13,304.97x = 99,472,468.65
  5. Step 5: Solve for x
    x = 99,472,468.65/13,304.97
  6. Step 6: Final answer
    x = 7,476.34

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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.