Home / 16,998.39-23,442.21-11,253.42

Finding the Fourth Proportional to 16,998.39, 23,442.21 and 11,253.42

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Solution

The fourth proportional to 16,998.39, 23,442.21 and 11,253.42 is: 15,519.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.39 : 23,442.21 = 11,253.42 : x
  2. Step 2: Convert to fraction form
    16,998.39/23,442.21 = 11,253.42/x
  3. Step 3: Cross multiply
    16,998.39x = 23,442.21 × 11,253.42
  4. Step 4: Simplify right side
    16,998.39x = 263,805,034.86
  5. Step 5: Solve for x
    x = 263,805,034.86/16,998.39
  6. Step 6: Final answer
    x = 15,519.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.