Home / 18,353.23-27,502.82-8,209.31

Finding the Fourth Proportional to 18,353.23, 27,502.82 and 8,209.31

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Solution

The fourth proportional to 18,353.23, 27,502.82 and 8,209.31 is: 12,301.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.23 : 27,502.82 = 8,209.31 : x
  2. Step 2: Convert to fraction form
    18,353.23/27,502.82 = 8,209.31/x
  3. Step 3: Cross multiply
    18,353.23x = 27,502.82 × 8,209.31
  4. Step 4: Simplify right side
    18,353.23x = 225,778,996.69
  5. Step 5: Solve for x
    x = 225,778,996.69/18,353.23
  6. Step 6: Final answer
    x = 12,301.87

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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.