Home / 10,581.50-15,872.26-3,656

Finding the Fourth Proportional to 10,581.50, 15,872.26 and 3,656

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Solution

The fourth proportional to 10,581.50, 15,872.26 and 3,656 is: 5,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.50 : 15,872.26 = 3,656 : x
  2. Step 2: Convert to fraction form
    10,581.50/15,872.26 = 3,656/x
  3. Step 3: Cross multiply
    10,581.50x = 15,872.26 × 3,656
  4. Step 4: Simplify right side
    10,581.50x = 58,028,982.56
  5. Step 5: Solve for x
    x = 58,028,982.56/10,581.50
  6. Step 6: Final answer
    x = 5,484.00

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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.