Home / 10,278.81-15,418.17-3,704.13

Finding the Fourth Proportional to 10,278.81, 15,418.17 and 3,704.13

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Solution

The fourth proportional to 10,278.81, 15,418.17 and 3,704.13 is: 5,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.81 : 15,418.17 = 3,704.13 : x
  2. Step 2: Convert to fraction form
    10,278.81/15,418.17 = 3,704.13/x
  3. Step 3: Cross multiply
    10,278.81x = 15,418.17 × 3,704.13
  4. Step 4: Simplify right side
    10,278.81x = 57,110,906.04
  5. Step 5: Solve for x
    x = 57,110,906.04/10,278.81
  6. Step 6: Final answer
    x = 5,556.18

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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.