Home / 11,239.68-16,862.74-3,449.64

Finding the Fourth Proportional to 11,239.68, 16,862.74 and 3,449.64

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Solution

The fourth proportional to 11,239.68, 16,862.74 and 3,449.64 is: 5,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.68 : 16,862.74 = 3,449.64 : x
  2. Step 2: Convert to fraction form
    11,239.68/16,862.74 = 3,449.64/x
  3. Step 3: Cross multiply
    11,239.68x = 16,862.74 × 3,449.64
  4. Step 4: Simplify right side
    11,239.68x = 58,170,382.41
  5. Step 5: Solve for x
    x = 58,170,382.41/11,239.68
  6. Step 6: Final answer
    x = 5,175.45

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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.