Home / 18,077.98-27,096.15-6,979.78

Finding the Fourth Proportional to 18,077.98, 27,096.15 and 6,979.78

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Solution

The fourth proportional to 18,077.98, 27,096.15 and 6,979.78 is: 10,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.98 : 27,096.15 = 6,979.78 : x
  2. Step 2: Convert to fraction form
    18,077.98/27,096.15 = 6,979.78/x
  3. Step 3: Cross multiply
    18,077.98x = 27,096.15 × 6,979.78
  4. Step 4: Simplify right side
    18,077.98x = 189,125,165.85
  5. Step 5: Solve for x
    x = 189,125,165.85/18,077.98
  6. Step 6: Final answer
    x = 10,461.63

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1.5x scale

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.