Home / 10,194.13-15,286.65-3,618.55

Finding the Fourth Proportional to 10,194.13, 15,286.65 and 3,618.55

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Solution

The fourth proportional to 10,194.13, 15,286.65 and 3,618.55 is: 5,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194.13 : 15,286.65 = 3,618.55 : x
  2. Step 2: Convert to fraction form
    10,194.13/15,286.65 = 3,618.55/x
  3. Step 3: Cross multiply
    10,194.13x = 15,286.65 × 3,618.55
  4. Step 4: Simplify right side
    10,194.13x = 55,315,507.36
  5. Step 5: Solve for x
    x = 55,315,507.36/10,194.13
  6. Step 6: Final answer
    x = 5,426.21

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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.