Home / 18,304.20-27,459.14-6,459.55

Finding the Fourth Proportional to 18,304.20, 27,459.14 and 6,459.55

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Solution

The fourth proportional to 18,304.20, 27,459.14 and 6,459.55 is: 9,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.20 : 27,459.14 = 6,459.55 : x
  2. Step 2: Convert to fraction form
    18,304.20/27,459.14 = 6,459.55/x
  3. Step 3: Cross multiply
    18,304.20x = 27,459.14 × 6,459.55
  4. Step 4: Simplify right side
    18,304.20x = 177,373,687.79
  5. Step 5: Solve for x
    x = 177,373,687.79/18,304.20
  6. Step 6: Final answer
    x = 9,690.33

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1.5x scale

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.