Home / 12,387.62-17,096.13-7,083.22

Finding the Fourth Proportional to 12,387.62, 17,096.13 and 7,083.22

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Solution

The fourth proportional to 12,387.62, 17,096.13 and 7,083.22 is: 9,775.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387.62 : 17,096.13 = 7,083.22 : x
  2. Step 2: Convert to fraction form
    12,387.62/17,096.13 = 7,083.22/x
  3. Step 3: Cross multiply
    12,387.62x = 17,096.13 × 7,083.22
  4. Step 4: Simplify right side
    12,387.62x = 121,095,649.94
  5. Step 5: Solve for x
    x = 121,095,649.94/12,387.62
  6. Step 6: Final answer
    x = 9,775.54

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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.