Home / 13,441.95-20,192.09-12,949.88

Finding the Fourth Proportional to 13,441.95, 20,192.09 and 12,949.88

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Solution

The fourth proportional to 13,441.95, 20,192.09 and 12,949.88 is: 19,452.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.95 : 20,192.09 = 12,949.88 : x
  2. Step 2: Convert to fraction form
    13,441.95/20,192.09 = 12,949.88/x
  3. Step 3: Cross multiply
    13,441.95x = 20,192.09 × 12,949.88
  4. Step 4: Simplify right side
    13,441.95x = 261,484,976.74
  5. Step 5: Solve for x
    x = 261,484,976.74/13,441.95
  6. Step 6: Final answer
    x = 19,452.91

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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.