Home / 18,192.09-27,286.29-11,437.95

Finding the Fourth Proportional to 18,192.09, 27,286.29 and 11,437.95

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Solution

The fourth proportional to 18,192.09, 27,286.29 and 11,437.95 is: 17,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.09 : 27,286.29 = 11,437.95 : x
  2. Step 2: Convert to fraction form
    18,192.09/27,286.29 = 11,437.95/x
  3. Step 3: Cross multiply
    18,192.09x = 27,286.29 × 11,437.95
  4. Step 4: Simplify right side
    18,192.09x = 312,099,220.71
  5. Step 5: Solve for x
    x = 312,099,220.71/18,192.09
  6. Step 6: Final answer
    x = 17,155.76

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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.