Home / 18,538.14-27,806.98-4,498.28

Finding the Fourth Proportional to 18,538.14, 27,806.98 and 4,498.28

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Solution

The fourth proportional to 18,538.14, 27,806.98 and 4,498.28 is: 6,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.14 : 27,806.98 = 4,498.28 : x
  2. Step 2: Convert to fraction form
    18,538.14/27,806.98 = 4,498.28/x
  3. Step 3: Cross multiply
    18,538.14x = 27,806.98 × 4,498.28
  4. Step 4: Simplify right side
    18,538.14x = 125,083,629.02
  5. Step 5: Solve for x
    x = 125,083,629.02/18,538.14
  6. Step 6: Final answer
    x = 6,747.37

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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.