Home / 16,949.68-23,398.70-11,918.19

Finding the Fourth Proportional to 16,949.68, 23,398.70 and 11,918.19

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Solution

The fourth proportional to 16,949.68, 23,398.70 and 11,918.19 is: 16,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,949.68 : 23,398.70 = 11,918.19 : x
  2. Step 2: Convert to fraction form
    16,949.68/23,398.70 = 11,918.19/x
  3. Step 3: Cross multiply
    16,949.68x = 23,398.70 × 11,918.19
  4. Step 4: Simplify right side
    16,949.68x = 278,870,152.35
  5. Step 5: Solve for x
    x = 278,870,152.35/16,949.68
  6. Step 6: Final answer
    x = 16,452.83

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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.