Home / 18,422.10-27,637.92-5,275.44

Finding the Fourth Proportional to 18,422.10, 27,637.92 and 5,275.44

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Solution

The fourth proportional to 18,422.10, 27,637.92 and 5,275.44 is: 7,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.10 : 27,637.92 = 5,275.44 : x
  2. Step 2: Convert to fraction form
    18,422.10/27,637.92 = 5,275.44/x
  3. Step 3: Cross multiply
    18,422.10x = 27,637.92 × 5,275.44
  4. Step 4: Simplify right side
    18,422.10x = 145,802,188.68
  5. Step 5: Solve for x
    x = 145,802,188.68/18,422.10
  6. Step 6: Final answer
    x = 7,914.53

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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.