Home / 9,176.29-12,660.37-6,343.81

Finding the Fourth Proportional to 9,176.29, 12,660.37 and 6,343.81

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Solution

The fourth proportional to 9,176.29, 12,660.37 and 6,343.81 is: 8,752.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.29 : 12,660.37 = 6,343.81 : x
  2. Step 2: Convert to fraction form
    9,176.29/12,660.37 = 6,343.81/x
  3. Step 3: Cross multiply
    9,176.29x = 12,660.37 × 6,343.81
  4. Step 4: Simplify right side
    9,176.29x = 80,314,934.30
  5. Step 5: Solve for x
    x = 80,314,934.30/9,176.29
  6. Step 6: Final answer
    x = 8,752.44

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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.