Home / 20,295.32-30,415.16-11,414.95

Finding the Fourth Proportional to 20,295.32, 30,415.16 and 11,414.95

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Solution

The fourth proportional to 20,295.32, 30,415.16 and 11,414.95 is: 17,106.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,295.32 : 30,415.16 = 11,414.95 : x
  2. Step 2: Convert to fraction form
    20,295.32/30,415.16 = 11,414.95/x
  3. Step 3: Cross multiply
    20,295.32x = 30,415.16 × 11,414.95
  4. Step 4: Simplify right side
    20,295.32x = 347,187,483.14
  5. Step 5: Solve for x
    x = 347,187,483.14/20,295.32
  6. Step 6: Final answer
    x = 17,106.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.