Home / 18,256.55-27,379.35-9,486.68

Finding the Fourth Proportional to 18,256.55, 27,379.35 and 9,486.68

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Solution

The fourth proportional to 18,256.55, 27,379.35 and 9,486.68 is: 14,227.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.55 : 27,379.35 = 9,486.68 : x
  2. Step 2: Convert to fraction form
    18,256.55/27,379.35 = 9,486.68/x
  3. Step 3: Cross multiply
    18,256.55x = 27,379.35 × 9,486.68
  4. Step 4: Simplify right side
    18,256.55x = 259,739,132.06
  5. Step 5: Solve for x
    x = 259,739,132.06/18,256.55
  6. Step 6: Final answer
    x = 14,227.18

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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.