Home / 9,081.81-13,614.49-6,309.78

Finding the Fourth Proportional to 9,081.81, 13,614.49 and 6,309.78

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Solution

The fourth proportional to 9,081.81, 13,614.49 and 6,309.78 is: 9,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.81 : 13,614.49 = 6,309.78 : x
  2. Step 2: Convert to fraction form
    9,081.81/13,614.49 = 6,309.78/x
  3. Step 3: Cross multiply
    9,081.81x = 13,614.49 × 6,309.78
  4. Step 4: Simplify right side
    9,081.81x = 85,904,436.71
  5. Step 5: Solve for x
    x = 85,904,436.71/9,081.81
  6. Step 6: Final answer
    x = 9,458.96

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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.