Home / 18,726.60-28,094.64-5,579.04

Finding the Fourth Proportional to 18,726.60, 28,094.64 and 5,579.04

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Solution

The fourth proportional to 18,726.60, 28,094.64 and 5,579.04 is: 8,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.60 : 28,094.64 = 5,579.04 : x
  2. Step 2: Convert to fraction form
    18,726.60/28,094.64 = 5,579.04/x
  3. Step 3: Cross multiply
    18,726.60x = 28,094.64 × 5,579.04
  4. Step 4: Simplify right side
    18,726.60x = 156,741,120.35
  5. Step 5: Solve for x
    x = 156,741,120.35/18,726.60
  6. Step 6: Final answer
    x = 8,369.97

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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.