Home / 10,154.85-15,232.43-3,581.10

Finding the Fourth Proportional to 10,154.85, 15,232.43 and 3,581.10

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Solution

The fourth proportional to 10,154.85, 15,232.43 and 3,581.10 is: 5,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.85 : 15,232.43 = 3,581.10 : x
  2. Step 2: Convert to fraction form
    10,154.85/15,232.43 = 3,581.10/x
  3. Step 3: Cross multiply
    10,154.85x = 15,232.43 × 3,581.10
  4. Step 4: Simplify right side
    10,154.85x = 54,548,837.17
  5. Step 5: Solve for x
    x = 54,548,837.17/10,154.85
  6. Step 6: Final answer
    x = 5,371.70

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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.