Home / 8,330.06-12,447.34-6,344.66

Finding the Fourth Proportional to 8,330.06, 12,447.34 and 6,344.66

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Solution

The fourth proportional to 8,330.06, 12,447.34 and 6,344.66 is: 9,480.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.06 : 12,447.34 = 6,344.66 : x
  2. Step 2: Convert to fraction form
    8,330.06/12,447.34 = 6,344.66/x
  3. Step 3: Cross multiply
    8,330.06x = 12,447.34 × 6,344.66
  4. Step 4: Simplify right side
    8,330.06x = 78,974,191.15
  5. Step 5: Solve for x
    x = 78,974,191.15/8,330.06
  6. Step 6: Final answer
    x = 9,480.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.