Home / 18,218.22-27,340.65-11,660.46

Finding the Fourth Proportional to 18,218.22, 27,340.65 and 11,660.46

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Solution

The fourth proportional to 18,218.22, 27,340.65 and 11,660.46 is: 17,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.22 : 27,340.65 = 11,660.46 : x
  2. Step 2: Convert to fraction form
    18,218.22/27,340.65 = 11,660.46/x
  3. Step 3: Cross multiply
    18,218.22x = 27,340.65 × 11,660.46
  4. Step 4: Simplify right side
    18,218.22x = 318,804,555.70
  5. Step 5: Solve for x
    x = 318,804,555.70/18,218.22
  6. Step 6: Final answer
    x = 17,499.22

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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.