Home / 14,729.91-20,334.79-9,974.98

Finding the Fourth Proportional to 14,729.91, 20,334.79 and 9,974.98

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Solution

The fourth proportional to 14,729.91, 20,334.79 and 9,974.98 is: 13,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729.91 : 20,334.79 = 9,974.98 : x
  2. Step 2: Convert to fraction form
    14,729.91/20,334.79 = 9,974.98/x
  3. Step 3: Cross multiply
    14,729.91x = 20,334.79 × 9,974.98
  4. Step 4: Simplify right side
    14,729.91x = 202,839,098.62
  5. Step 5: Solve for x
    x = 202,839,098.62/14,729.91
  6. Step 6: Final answer
    x = 13,770.56

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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.