Home / 16,918.20-23,346.52-9,364.55

Finding the Fourth Proportional to 16,918.20, 23,346.52 and 9,364.55

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Solution

The fourth proportional to 16,918.20, 23,346.52 and 9,364.55 is: 12,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.20 : 23,346.52 = 9,364.55 : x
  2. Step 2: Convert to fraction form
    16,918.20/23,346.52 = 9,364.55/x
  3. Step 3: Cross multiply
    16,918.20x = 23,346.52 × 9,364.55
  4. Step 4: Simplify right side
    16,918.20x = 218,629,645.23
  5. Step 5: Solve for x
    x = 218,629,645.23/16,918.20
  6. Step 6: Final answer
    x = 12,922.75

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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.