Home / 18,557.56-27,841.20-6,871.96

Finding the Fourth Proportional to 18,557.56, 27,841.20 and 6,871.96

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Solution

The fourth proportional to 18,557.56, 27,841.20 and 6,871.96 is: 10,309.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.56 : 27,841.20 = 6,871.96 : x
  2. Step 2: Convert to fraction form
    18,557.56/27,841.20 = 6,871.96/x
  3. Step 3: Cross multiply
    18,557.56x = 27,841.20 × 6,871.96
  4. Step 4: Simplify right side
    18,557.56x = 191,323,612.75
  5. Step 5: Solve for x
    x = 191,323,612.75/18,557.56
  6. Step 6: Final answer
    x = 10,309.74

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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.