Home / 9,147.13-13,721.60-3,304.19

Finding the Fourth Proportional to 9,147.13, 13,721.60 and 3,304.19

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Solution

The fourth proportional to 9,147.13, 13,721.60 and 3,304.19 is: 4,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.13 : 13,721.60 = 3,304.19 : x
  2. Step 2: Convert to fraction form
    9,147.13/13,721.60 = 3,304.19/x
  3. Step 3: Cross multiply
    9,147.13x = 13,721.60 × 3,304.19
  4. Step 4: Simplify right side
    9,147.13x = 45,338,816.07
  5. Step 5: Solve for x
    x = 45,338,816.07/9,147.13
  6. Step 6: Final answer
    x = 4,956.62

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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.