Home / 18,134.12-27,184.78-6,444.61

Finding the Fourth Proportional to 18,134.12, 27,184.78 and 6,444.61

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Solution

The fourth proportional to 18,134.12, 27,184.78 and 6,444.61 is: 9,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.12 : 27,184.78 = 6,444.61 : x
  2. Step 2: Convert to fraction form
    18,134.12/27,184.78 = 6,444.61/x
  3. Step 3: Cross multiply
    18,134.12x = 27,184.78 × 6,444.61
  4. Step 4: Simplify right side
    18,134.12x = 175,195,220.96
  5. Step 5: Solve for x
    x = 175,195,220.96/18,134.12
  6. Step 6: Final answer
    x = 9,661.08

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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.