Home / 10,142.19-15,213.39-3,568.44

Finding the Fourth Proportional to 10,142.19, 15,213.39 and 3,568.44

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Solution

The fourth proportional to 10,142.19, 15,213.39 and 3,568.44 is: 5,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142.19 : 15,213.39 = 3,568.44 : x
  2. Step 2: Convert to fraction form
    10,142.19/15,213.39 = 3,568.44/x
  3. Step 3: Cross multiply
    10,142.19x = 15,213.39 × 3,568.44
  4. Step 4: Simplify right side
    10,142.19x = 54,288,069.41
  5. Step 5: Solve for x
    x = 54,288,069.41/10,142.19
  6. Step 6: Final answer
    x = 5,352.70

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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.