Home / 18,218.93-27,326.57-5,071.41

Finding the Fourth Proportional to 18,218.93, 27,326.57 and 5,071.41

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Solution

The fourth proportional to 18,218.93, 27,326.57 and 5,071.41 is: 7,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.93 : 27,326.57 = 5,071.41 : x
  2. Step 2: Convert to fraction form
    18,218.93/27,326.57 = 5,071.41/x
  3. Step 3: Cross multiply
    18,218.93x = 27,326.57 × 5,071.41
  4. Step 4: Simplify right side
    18,218.93x = 138,584,215.01
  5. Step 5: Solve for x
    x = 138,584,215.01/18,218.93
  6. Step 6: Final answer
    x = 7,606.61

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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.