Home / 18,258.06-27,381.60-9,488.18

Finding the Fourth Proportional to 18,258.06, 27,381.60 and 9,488.18

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Solution

The fourth proportional to 18,258.06, 27,381.60 and 9,488.18 is: 14,229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.06 : 27,381.60 = 9,488.18 : x
  2. Step 2: Convert to fraction form
    18,258.06/27,381.60 = 9,488.18/x
  3. Step 3: Cross multiply
    18,258.06x = 27,381.60 × 9,488.18
  4. Step 4: Simplify right side
    18,258.06x = 259,801,549.49
  5. Step 5: Solve for x
    x = 259,801,549.49/18,258.06
  6. Step 6: Final answer
    x = 14,229.42

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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.