Home / 10,195.13-15,288.15-3,619.55

Finding the Fourth Proportional to 10,195.13, 15,288.15 and 3,619.55

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Solution

The fourth proportional to 10,195.13, 15,288.15 and 3,619.55 is: 5,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.13 : 15,288.15 = 3,619.55 : x
  2. Step 2: Convert to fraction form
    10,195.13/15,288.15 = 3,619.55/x
  3. Step 3: Cross multiply
    10,195.13x = 15,288.15 × 3,619.55
  4. Step 4: Simplify right side
    10,195.13x = 55,336,223.33
  5. Step 5: Solve for x
    x = 55,336,223.33/10,195.13
  6. Step 6: Final answer
    x = 5,427.71

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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.