Home / 27,151.94-40,718.79-12,149.66

Finding the Fourth Proportional to 27,151.94, 40,718.79 and 12,149.66

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Solution

The fourth proportional to 27,151.94, 40,718.79 and 12,149.66 is: 18,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,151.94 : 40,718.79 = 12,149.66 : x
  2. Step 2: Convert to fraction form
    27,151.94/40,718.79 = 12,149.66/x
  3. Step 3: Cross multiply
    27,151.94x = 40,718.79 × 12,149.66
  4. Step 4: Simplify right side
    27,151.94x = 494,719,250.52
  5. Step 5: Solve for x
    x = 494,719,250.52/27,151.94
  6. Step 6: Final answer
    x = 18,220.40

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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.