Home / 18,062.76-27,101.89-6,977.23

Finding the Fourth Proportional to 18,062.76, 27,101.89 and 6,977.23

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Solution

The fourth proportional to 18,062.76, 27,101.89 and 6,977.23 is: 10,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.76 : 27,101.89 = 6,977.23 : x
  2. Step 2: Convert to fraction form
    18,062.76/27,101.89 = 6,977.23/x
  3. Step 3: Cross multiply
    18,062.76x = 27,101.89 × 6,977.23
  4. Step 4: Simplify right side
    18,062.76x = 189,096,119.96
  5. Step 5: Solve for x
    x = 189,096,119.96/18,062.76
  6. Step 6: Final answer
    x = 10,468.84

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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.