Home / 18,144.18-27,217.98-6,454.62

Finding the Fourth Proportional to 18,144.18, 27,217.98 and 6,454.62

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Solution

The fourth proportional to 18,144.18, 27,217.98 and 6,454.62 is: 9,682.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.18 : 27,217.98 = 6,454.62 : x
  2. Step 2: Convert to fraction form
    18,144.18/27,217.98 = 6,454.62/x
  3. Step 3: Cross multiply
    18,144.18x = 27,217.98 × 6,454.62
  4. Step 4: Simplify right side
    18,144.18x = 175,681,718.07
  5. Step 5: Solve for x
    x = 175,681,718.07/18,144.18
  6. Step 6: Final answer
    x = 9,682.54

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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.