Home / 10,108.65-15,162.90-2,612.19

Finding the Fourth Proportional to 10,108.65, 15,162.90 and 2,612.19

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Solution

The fourth proportional to 10,108.65, 15,162.90 and 2,612.19 is: 3,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.65 : 15,162.90 = 2,612.19 : x
  2. Step 2: Convert to fraction form
    10,108.65/15,162.90 = 2,612.19/x
  3. Step 3: Cross multiply
    10,108.65x = 15,162.90 × 2,612.19
  4. Step 4: Simplify right side
    10,108.65x = 39,608,375.75
  5. Step 5: Solve for x
    x = 39,608,375.75/10,108.65
  6. Step 6: Final answer
    x = 3,918.27

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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.