Home / 14,839.97-20,479.41-9,174.56

Finding the Fourth Proportional to 14,839.97, 20,479.41 and 9,174.56

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Solution

The fourth proportional to 14,839.97, 20,479.41 and 9,174.56 is: 12,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,839.97 : 20,479.41 = 9,174.56 : x
  2. Step 2: Convert to fraction form
    14,839.97/20,479.41 = 9,174.56/x
  3. Step 3: Cross multiply
    14,839.97x = 20,479.41 × 9,174.56
  4. Step 4: Simplify right side
    14,839.97x = 187,889,473.41
  5. Step 5: Solve for x
    x = 187,889,473.41/14,839.97
  6. Step 6: Final answer
    x = 12,661.05

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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.