Home / 9,012.95-13,517.79-4,081.41

Finding the Fourth Proportional to 9,012.95, 13,517.79 and 4,081.41

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Solution

The fourth proportional to 9,012.95, 13,517.79 and 4,081.41 is: 6,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.95 : 13,517.79 = 4,081.41 : x
  2. Step 2: Convert to fraction form
    9,012.95/13,517.79 = 4,081.41/x
  3. Step 3: Cross multiply
    9,012.95x = 13,517.79 × 4,081.41
  4. Step 4: Simplify right side
    9,012.95x = 55,171,666.00
  5. Step 5: Solve for x
    x = 55,171,666.00/9,012.95
  6. Step 6: Final answer
    x = 6,121.38

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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.