Home / 18,128.66-27,194.29-7,588.07

Finding the Fourth Proportional to 18,128.66, 27,194.29 and 7,588.07

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Solution

The fourth proportional to 18,128.66, 27,194.29 and 7,588.07 is: 11,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128.66 : 27,194.29 = 7,588.07 : x
  2. Step 2: Convert to fraction form
    18,128.66/27,194.29 = 7,588.07/x
  3. Step 3: Cross multiply
    18,128.66x = 27,194.29 × 7,588.07
  4. Step 4: Simplify right side
    18,128.66x = 206,352,123.16
  5. Step 5: Solve for x
    x = 206,352,123.16/18,128.66
  6. Step 6: Final answer
    x = 11,382.65

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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.