Home / 18,609.60-27,858.96-12,016.56

Finding the Fourth Proportional to 18,609.60, 27,858.96 and 12,016.56

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Solution

The fourth proportional to 18,609.60, 27,858.96 and 12,016.56 is: 17,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.60 : 27,858.96 = 12,016.56 : x
  2. Step 2: Convert to fraction form
    18,609.60/27,858.96 = 12,016.56/x
  3. Step 3: Cross multiply
    18,609.60x = 27,858.96 × 12,016.56
  4. Step 4: Simplify right side
    18,609.60x = 334,768,864.38
  5. Step 5: Solve for x
    x = 334,768,864.38/18,609.60
  6. Step 6: Final answer
    x = 17,989.04

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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.