Home / 18,736.24-28,101.30-6,255.76

Finding the Fourth Proportional to 18,736.24, 28,101.30 and 6,255.76

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Solution

The fourth proportional to 18,736.24, 28,101.30 and 6,255.76 is: 9,382.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.24 : 28,101.30 = 6,255.76 : x
  2. Step 2: Convert to fraction form
    18,736.24/28,101.30 = 6,255.76/x
  3. Step 3: Cross multiply
    18,736.24x = 28,101.30 × 6,255.76
  4. Step 4: Simplify right side
    18,736.24x = 175,794,988.49
  5. Step 5: Solve for x
    x = 175,794,988.49/18,736.24
  6. Step 6: Final answer
    x = 9,382.62

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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.