Home / 12,454.75-18,685.09-4,246.75

Finding the Fourth Proportional to 12,454.75, 18,685.09 and 4,246.75

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Solution

The fourth proportional to 12,454.75, 18,685.09 and 4,246.75 is: 6,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.75 : 18,685.09 = 4,246.75 : x
  2. Step 2: Convert to fraction form
    12,454.75/18,685.09 = 4,246.75/x
  3. Step 3: Cross multiply
    12,454.75x = 18,685.09 × 4,246.75
  4. Step 4: Simplify right side
    12,454.75x = 79,350,905.96
  5. Step 5: Solve for x
    x = 79,350,905.96/12,454.75
  6. Step 6: Final answer
    x = 6,371.14

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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.