Home / 18,433.55-27,634.66-8,578.55

Finding the Fourth Proportional to 18,433.55, 27,634.66 and 8,578.55

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Solution

The fourth proportional to 18,433.55, 27,634.66 and 8,578.55 is: 12,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.55 : 27,634.66 = 8,578.55 : x
  2. Step 2: Convert to fraction form
    18,433.55/27,634.66 = 8,578.55/x
  3. Step 3: Cross multiply
    18,433.55x = 27,634.66 × 8,578.55
  4. Step 4: Simplify right side
    18,433.55x = 237,065,312.54
  5. Step 5: Solve for x
    x = 237,065,312.54/18,433.55
  6. Step 6: Final answer
    x = 12,860.53

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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.