Home / 18,259.06-27,383.10-9,489.18

Finding the Fourth Proportional to 18,259.06, 27,383.10 and 9,489.18

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Solution

The fourth proportional to 18,259.06, 27,383.10 and 9,489.18 is: 14,230.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.06 : 27,383.10 = 9,489.18 : x
  2. Step 2: Convert to fraction form
    18,259.06/27,383.10 = 9,489.18/x
  3. Step 3: Cross multiply
    18,259.06x = 27,383.10 × 9,489.18
  4. Step 4: Simplify right side
    18,259.06x = 259,843,164.86
  5. Step 5: Solve for x
    x = 259,843,164.86/18,259.06
  6. Step 6: Final answer
    x = 14,230.92

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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.