Home / 18,076.12-27,116.10-6,389.08

Finding the Fourth Proportional to 18,076.12, 27,116.10 and 6,389.08

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Solution

The fourth proportional to 18,076.12, 27,116.10 and 6,389.08 is: 9,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.12 : 27,116.10 = 6,389.08 : x
  2. Step 2: Convert to fraction form
    18,076.12/27,116.10 = 6,389.08/x
  3. Step 3: Cross multiply
    18,076.12x = 27,116.10 × 6,389.08
  4. Step 4: Simplify right side
    18,076.12x = 173,246,932.19
  5. Step 5: Solve for x
    x = 173,246,932.19/18,076.12
  6. Step 6: Final answer
    x = 9,584.30

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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.