Home / 10,156.42-15,233.04-3,581.64

Finding the Fourth Proportional to 10,156.42, 15,233.04 and 3,581.64

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Solution

The fourth proportional to 10,156.42, 15,233.04 and 3,581.64 is: 5,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.42 : 15,233.04 = 3,581.64 : x
  2. Step 2: Convert to fraction form
    10,156.42/15,233.04 = 3,581.64/x
  3. Step 3: Cross multiply
    10,156.42x = 15,233.04 × 3,581.64
  4. Step 4: Simplify right side
    10,156.42x = 54,559,265.39
  5. Step 5: Solve for x
    x = 54,559,265.39/10,156.42
  6. Step 6: Final answer
    x = 5,371.90

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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.