Home / 11,042.68-15,239.20-6,568.85

Finding the Fourth Proportional to 11,042.68, 15,239.20 and 6,568.85

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Solution

The fourth proportional to 11,042.68, 15,239.20 and 6,568.85 is: 9,065.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.68 : 15,239.20 = 6,568.85 : x
  2. Step 2: Convert to fraction form
    11,042.68/15,239.20 = 6,568.85/x
  3. Step 3: Cross multiply
    11,042.68x = 15,239.20 × 6,568.85
  4. Step 4: Simplify right side
    11,042.68x = 100,104,018.92
  5. Step 5: Solve for x
    x = 100,104,018.92/11,042.68
  6. Step 6: Final answer
    x = 9,065.19

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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.