Home / 8,947.12-12,351.84-6,118.66

Finding the Fourth Proportional to 8,947.12, 12,351.84 and 6,118.66

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Solution

The fourth proportional to 8,947.12, 12,351.84 and 6,118.66 is: 8,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.12 : 12,351.84 = 6,118.66 : x
  2. Step 2: Convert to fraction form
    8,947.12/12,351.84 = 6,118.66/x
  3. Step 3: Cross multiply
    8,947.12x = 12,351.84 × 6,118.66
  4. Step 4: Simplify right side
    8,947.12x = 75,576,709.33
  5. Step 5: Solve for x
    x = 75,576,709.33/8,947.12
  6. Step 6: Final answer
    x = 8,447.04

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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.