Home / 18,181.26-27,246.38-12,626.28

Finding the Fourth Proportional to 18,181.26, 27,246.38 and 12,626.28

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Solution

The fourth proportional to 18,181.26, 27,246.38 and 12,626.28 is: 18,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.26 : 27,246.38 = 12,626.28 : x
  2. Step 2: Convert to fraction form
    18,181.26/27,246.38 = 12,626.28/x
  3. Step 3: Cross multiply
    18,181.26x = 27,246.38 × 12,626.28
  4. Step 4: Simplify right side
    18,181.26x = 344,020,359.74
  5. Step 5: Solve for x
    x = 344,020,359.74/18,181.26
  6. Step 6: Final answer
    x = 18,921.70

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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.