Home / 11,324.87-15,630.17-6,609.14

Finding the Fourth Proportional to 11,324.87, 15,630.17 and 6,609.14

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Solution

The fourth proportional to 11,324.87, 15,630.17 and 6,609.14 is: 9,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.87 : 15,630.17 = 6,609.14 : x
  2. Step 2: Convert to fraction form
    11,324.87/15,630.17 = 6,609.14/x
  3. Step 3: Cross multiply
    11,324.87x = 15,630.17 × 6,609.14
  4. Step 4: Simplify right side
    11,324.87x = 103,301,870.56
  5. Step 5: Solve for x
    x = 103,301,870.56/11,324.87
  6. Step 6: Final answer
    x = 9,121.69

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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.