Home / 11,010.66-16,506-3,989.04

Finding the Fourth Proportional to 11,010.66, 16,506 and 3,989.04

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Solution

The fourth proportional to 11,010.66, 16,506 and 3,989.04 is: 5,979.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.66 : 16,506 = 3,989.04 : x
  2. Step 2: Convert to fraction form
    11,010.66/16,506 = 3,989.04/x
  3. Step 3: Cross multiply
    11,010.66x = 16,506 × 3,989.04
  4. Step 4: Simplify right side
    11,010.66x = 65,843,094.24
  5. Step 5: Solve for x
    x = 65,843,094.24/11,010.66
  6. Step 6: Final answer
    x = 5,979.94

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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.