Home / 21,449.29-32,169.99-5,866.78

Finding the Fourth Proportional to 21,449.29, 32,169.99 and 5,866.78

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Solution

The fourth proportional to 21,449.29, 32,169.99 and 5,866.78 is: 8,799.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,449.29 : 32,169.99 = 5,866.78 : x
  2. Step 2: Convert to fraction form
    21,449.29/32,169.99 = 5,866.78/x
  3. Step 3: Cross multiply
    21,449.29x = 32,169.99 × 5,866.78
  4. Step 4: Simplify right side
    21,449.29x = 188,734,253.93
  5. Step 5: Solve for x
    x = 188,734,253.93/21,449.29
  6. Step 6: Final answer
    x = 8,799.09

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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.