Home / 18,449.89-27,671.86-5,299.27

Finding the Fourth Proportional to 18,449.89, 27,671.86 and 5,299.27

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Solution

The fourth proportional to 18,449.89, 27,671.86 and 5,299.27 is: 7,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.89 : 27,671.86 = 5,299.27 : x
  2. Step 2: Convert to fraction form
    18,449.89/27,671.86 = 5,299.27/x
  3. Step 3: Cross multiply
    18,449.89x = 27,671.86 × 5,299.27
  4. Step 4: Simplify right side
    18,449.89x = 146,640,657.54
  5. Step 5: Solve for x
    x = 146,640,657.54/18,449.89
  6. Step 6: Final answer
    x = 7,948.05

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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.