Home / 16,104.25-22,205.14-15,107.95

Finding the Fourth Proportional to 16,104.25, 22,205.14 and 15,107.95

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Solution

The fourth proportional to 16,104.25, 22,205.14 and 15,107.95 is: 20,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,104.25 : 22,205.14 = 15,107.95 : x
  2. Step 2: Convert to fraction form
    16,104.25/22,205.14 = 15,107.95/x
  3. Step 3: Cross multiply
    16,104.25x = 22,205.14 × 15,107.95
  4. Step 4: Simplify right side
    16,104.25x = 335,474,144.86
  5. Step 5: Solve for x
    x = 335,474,144.86/16,104.25
  6. Step 6: Final answer
    x = 20,831.40

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Double scale
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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.