Home / 16,938.87-23,368.25-11,906.34

Finding the Fourth Proportional to 16,938.87, 23,368.25 and 11,906.34

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Solution

The fourth proportional to 16,938.87, 23,368.25 and 11,906.34 is: 16,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.87 : 23,368.25 = 11,906.34 : x
  2. Step 2: Convert to fraction form
    16,938.87/23,368.25 = 11,906.34/x
  3. Step 3: Cross multiply
    16,938.87x = 23,368.25 × 11,906.34
  4. Step 4: Simplify right side
    16,938.87x = 278,230,336.31
  5. Step 5: Solve for x
    x = 278,230,336.31/16,938.87
  6. Step 6: Final answer
    x = 16,425.55

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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.