Home / 18,659.04-27,994.50-5,511.48

Finding the Fourth Proportional to 18,659.04, 27,994.50 and 5,511.48

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Solution

The fourth proportional to 18,659.04, 27,994.50 and 5,511.48 is: 8,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659.04 : 27,994.50 = 5,511.48 : x
  2. Step 2: Convert to fraction form
    18,659.04/27,994.50 = 5,511.48/x
  3. Step 3: Cross multiply
    18,659.04x = 27,994.50 × 5,511.48
  4. Step 4: Simplify right side
    18,659.04x = 154,291,126.86
  5. Step 5: Solve for x
    x = 154,291,126.86/18,659.04
  6. Step 6: Final answer
    x = 8,268.97

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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.