Home / 18,377.38-27,569.73-6,689.08

Finding the Fourth Proportional to 18,377.38, 27,569.73 and 6,689.08

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Solution

The fourth proportional to 18,377.38, 27,569.73 and 6,689.08 is: 10,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.38 : 27,569.73 = 6,689.08 : x
  2. Step 2: Convert to fraction form
    18,377.38/27,569.73 = 6,689.08/x
  3. Step 3: Cross multiply
    18,377.38x = 27,569.73 × 6,689.08
  4. Step 4: Simplify right side
    18,377.38x = 184,416,129.55
  5. Step 5: Solve for x
    x = 184,416,129.55/18,377.38
  6. Step 6: Final answer
    x = 10,034.95

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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.