Home / 18,231.59-27,347.96-5,751.72

Finding the Fourth Proportional to 18,231.59, 27,347.96 and 5,751.72

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Solution

The fourth proportional to 18,231.59, 27,347.96 and 5,751.72 is: 8,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.59 : 27,347.96 = 5,751.72 : x
  2. Step 2: Convert to fraction form
    18,231.59/27,347.96 = 5,751.72/x
  3. Step 3: Cross multiply
    18,231.59x = 27,347.96 × 5,751.72
  4. Step 4: Simplify right side
    18,231.59x = 157,297,808.49
  5. Step 5: Solve for x
    x = 157,297,808.49/18,231.59
  6. Step 6: Final answer
    x = 8,627.76

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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.