Home / 11,386.62-17,083.17-8,089.92

Finding the Fourth Proportional to 11,386.62, 17,083.17 and 8,089.92

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Solution

The fourth proportional to 11,386.62, 17,083.17 and 8,089.92 is: 12,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.62 : 17,083.17 = 8,089.92 : x
  2. Step 2: Convert to fraction form
    11,386.62/17,083.17 = 8,089.92/x
  3. Step 3: Cross multiply
    11,386.62x = 17,083.17 × 8,089.92
  4. Step 4: Simplify right side
    11,386.62x = 138,201,478.65
  5. Step 5: Solve for x
    x = 138,201,478.65/11,386.62
  6. Step 6: Final answer
    x = 12,137.18

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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.