Home / 10,131.68-15,199.02-3,556.70

Finding the Fourth Proportional to 10,131.68, 15,199.02 and 3,556.70

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Solution

The fourth proportional to 10,131.68, 15,199.02 and 3,556.70 is: 5,335.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.68 : 15,199.02 = 3,556.70 : x
  2. Step 2: Convert to fraction form
    10,131.68/15,199.02 = 3,556.70/x
  3. Step 3: Cross multiply
    10,131.68x = 15,199.02 × 3,556.70
  4. Step 4: Simplify right side
    10,131.68x = 54,058,278.44
  5. Step 5: Solve for x
    x = 54,058,278.44/10,131.68
  6. Step 6: Final answer
    x = 5,335.57

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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.