Home / 18,291.79-27,449.16-7,198.18

Finding the Fourth Proportional to 18,291.79, 27,449.16 and 7,198.18

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Solution

The fourth proportional to 18,291.79, 27,449.16 and 7,198.18 is: 10,801.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.79 : 27,449.16 = 7,198.18 : x
  2. Step 2: Convert to fraction form
    18,291.79/27,449.16 = 7,198.18/x
  3. Step 3: Cross multiply
    18,291.79x = 27,449.16 × 7,198.18
  4. Step 4: Simplify right side
    18,291.79x = 197,583,994.53
  5. Step 5: Solve for x
    x = 197,583,994.53/18,291.79
  6. Step 6: Final answer
    x = 10,801.79

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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.