Home / 9,147.48-13,721.19-3,304.10

Finding the Fourth Proportional to 9,147.48, 13,721.19 and 3,304.10

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Solution

The fourth proportional to 9,147.48, 13,721.19 and 3,304.10 is: 4,956.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.48 : 13,721.19 = 3,304.10 : x
  2. Step 2: Convert to fraction form
    9,147.48/13,721.19 = 3,304.10/x
  3. Step 3: Cross multiply
    9,147.48x = 13,721.19 × 3,304.10
  4. Step 4: Simplify right side
    9,147.48x = 45,336,115.27
  5. Step 5: Solve for x
    x = 45,336,115.27/9,147.48
  6. Step 6: Final answer
    x = 4,956.13

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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.