Home / 18,506.60-27,761.34-5,359.16

Finding the Fourth Proportional to 18,506.60, 27,761.34 and 5,359.16

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Solution

The fourth proportional to 18,506.60, 27,761.34 and 5,359.16 is: 8,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.60 : 27,761.34 = 5,359.16 : x
  2. Step 2: Convert to fraction form
    18,506.60/27,761.34 = 5,359.16/x
  3. Step 3: Cross multiply
    18,506.60x = 27,761.34 × 5,359.16
  4. Step 4: Simplify right side
    18,506.60x = 148,777,462.87
  5. Step 5: Solve for x
    x = 148,777,462.87/18,506.60
  6. Step 6: Final answer
    x = 8,039.16

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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.