Home / 16,918.38-23,346.90-9,364.52

Finding the Fourth Proportional to 16,918.38, 23,346.90 and 9,364.52

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Solution

The fourth proportional to 16,918.38, 23,346.90 and 9,364.52 is: 12,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.38 : 23,346.90 = 9,364.52 : x
  2. Step 2: Convert to fraction form
    16,918.38/23,346.90 = 9,364.52/x
  3. Step 3: Cross multiply
    16,918.38x = 23,346.90 × 9,364.52
  4. Step 4: Simplify right side
    16,918.38x = 218,632,511.99
  5. Step 5: Solve for x
    x = 218,632,511.99/16,918.38
  6. Step 6: Final answer
    x = 12,922.78

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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.