Home / 9,691.20-13,344.24-7,304.64

Finding the Fourth Proportional to 9,691.20, 13,344.24 and 7,304.64

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Solution

The fourth proportional to 9,691.20, 13,344.24 and 7,304.64 is: 10,058.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691.20 : 13,344.24 = 7,304.64 : x
  2. Step 2: Convert to fraction form
    9,691.20/13,344.24 = 7,304.64/x
  3. Step 3: Cross multiply
    9,691.20x = 13,344.24 × 7,304.64
  4. Step 4: Simplify right side
    9,691.20x = 97,474,869.27
  5. Step 5: Solve for x
    x = 97,474,869.27/9,691.20
  6. Step 6: Final answer
    x = 10,058.08

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1.5x scale

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.