Home / 11,581.20-15,982.06-6,276.02

Finding the Fourth Proportional to 11,581.20, 15,982.06 and 6,276.02

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Solution

The fourth proportional to 11,581.20, 15,982.06 and 6,276.02 is: 8,660.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.20 : 15,982.06 = 6,276.02 : x
  2. Step 2: Convert to fraction form
    11,581.20/15,982.06 = 6,276.02/x
  3. Step 3: Cross multiply
    11,581.20x = 15,982.06 × 6,276.02
  4. Step 4: Simplify right side
    11,581.20x = 100,303,728.20
  5. Step 5: Solve for x
    x = 100,303,728.20/11,581.20
  6. Step 6: Final answer
    x = 8,660.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.