Home / 18,178.33-27,248.05-8,302.81

Finding the Fourth Proportional to 18,178.33, 27,248.05 and 8,302.81

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Solution

The fourth proportional to 18,178.33, 27,248.05 and 8,302.81 is: 12,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178.33 : 27,248.05 = 8,302.81 : x
  2. Step 2: Convert to fraction form
    18,178.33/27,248.05 = 8,302.81/x
  3. Step 3: Cross multiply
    18,178.33x = 27,248.05 × 8,302.81
  4. Step 4: Simplify right side
    18,178.33x = 226,235,382.02
  5. Step 5: Solve for x
    x = 226,235,382.02/18,178.33
  6. Step 6: Final answer
    x = 12,445.33

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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.