Home / 12,016.44-18,002.88-6,463.92

Finding the Fourth Proportional to 12,016.44, 18,002.88 and 6,463.92

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Solution

The fourth proportional to 12,016.44, 18,002.88 and 6,463.92 is: 9,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.44 : 18,002.88 = 6,463.92 : x
  2. Step 2: Convert to fraction form
    12,016.44/18,002.88 = 6,463.92/x
  3. Step 3: Cross multiply
    12,016.44x = 18,002.88 × 6,463.92
  4. Step 4: Simplify right side
    12,016.44x = 116,369,176.09
  5. Step 5: Solve for x
    x = 116,369,176.09/12,016.44
  6. Step 6: Final answer
    x = 9,684.16

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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.