Home / 18,187.19-27,275.31-11,946.95

Finding the Fourth Proportional to 18,187.19, 27,275.31 and 11,946.95

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Solution

The fourth proportional to 18,187.19, 27,275.31 and 11,946.95 is: 17,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.19 : 27,275.31 = 11,946.95 : x
  2. Step 2: Convert to fraction form
    18,187.19/27,275.31 = 11,946.95/x
  3. Step 3: Cross multiply
    18,187.19x = 27,275.31 × 11,946.95
  4. Step 4: Simplify right side
    18,187.19x = 325,856,764.80
  5. Step 5: Solve for x
    x = 325,856,764.80/18,187.19
  6. Step 6: Final answer
    x = 17,916.83

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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.