Home / 18,076.45-27,118.34-6,397.87

Finding the Fourth Proportional to 18,076.45, 27,118.34 and 6,397.87

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Solution

The fourth proportional to 18,076.45, 27,118.34 and 6,397.87 is: 9,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.45 : 27,118.34 = 6,397.87 : x
  2. Step 2: Convert to fraction form
    18,076.45/27,118.34 = 6,397.87/x
  3. Step 3: Cross multiply
    18,076.45x = 27,118.34 × 6,397.87
  4. Step 4: Simplify right side
    18,076.45x = 173,499,613.94
  5. Step 5: Solve for x
    x = 173,499,613.94/18,076.45
  6. Step 6: Final answer
    x = 9,598.10

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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.