Home / 18,150.52-25,057.26-12,213.40

Finding the Fourth Proportional to 18,150.52, 25,057.26 and 12,213.40

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Solution

The fourth proportional to 18,150.52, 25,057.26 and 12,213.40 is: 16,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.52 : 25,057.26 = 12,213.40 : x
  2. Step 2: Convert to fraction form
    18,150.52/25,057.26 = 12,213.40/x
  3. Step 3: Cross multiply
    18,150.52x = 25,057.26 × 12,213.40
  4. Step 4: Simplify right side
    18,150.52x = 306,034,339.28
  5. Step 5: Solve for x
    x = 306,034,339.28/18,150.52
  6. Step 6: Final answer
    x = 16,860.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.