Home / 10,008.82-15,013.22-2,613.21

Finding the Fourth Proportional to 10,008.82, 15,013.22 and 2,613.21

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Solution

The fourth proportional to 10,008.82, 15,013.22 and 2,613.21 is: 3,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.82 : 15,013.22 = 2,613.21 : x
  2. Step 2: Convert to fraction form
    10,008.82/15,013.22 = 2,613.21/x
  3. Step 3: Cross multiply
    10,008.82x = 15,013.22 × 2,613.21
  4. Step 4: Simplify right side
    10,008.82x = 39,232,696.64
  5. Step 5: Solve for x
    x = 39,232,696.64/10,008.82
  6. Step 6: Final answer
    x = 3,919.81

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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.