Home / 9,147.53-13,720.61-3,304.14

Finding the Fourth Proportional to 9,147.53, 13,720.61 and 3,304.14

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Solution

The fourth proportional to 9,147.53, 13,720.61 and 3,304.14 is: 4,955.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.53 : 13,720.61 = 3,304.14 : x
  2. Step 2: Convert to fraction form
    9,147.53/13,720.61 = 3,304.14/x
  3. Step 3: Cross multiply
    9,147.53x = 13,720.61 × 3,304.14
  4. Step 4: Simplify right side
    9,147.53x = 45,334,799.80
  5. Step 5: Solve for x
    x = 45,334,799.80/9,147.53
  6. Step 6: Final answer
    x = 4,955.96

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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.