Home / 16,990.44-25,451.64-13,275.24

Finding the Fourth Proportional to 16,990.44, 25,451.64 and 13,275.24

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Solution

The fourth proportional to 16,990.44, 25,451.64 and 13,275.24 is: 19,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.44 : 25,451.64 = 13,275.24 : x
  2. Step 2: Convert to fraction form
    16,990.44/25,451.64 = 13,275.24/x
  3. Step 3: Cross multiply
    16,990.44x = 25,451.64 × 13,275.24
  4. Step 4: Simplify right side
    16,990.44x = 337,876,629.39
  5. Step 5: Solve for x
    x = 337,876,629.39/16,990.44
  6. Step 6: Final answer
    x = 19,886.28

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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.