Home / 10,914.88-15,061.56-6,198.28

Finding the Fourth Proportional to 10,914.88, 15,061.56 and 6,198.28

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Solution

The fourth proportional to 10,914.88, 15,061.56 and 6,198.28 is: 8,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.88 : 15,061.56 = 6,198.28 : x
  2. Step 2: Convert to fraction form
    10,914.88/15,061.56 = 6,198.28/x
  3. Step 3: Cross multiply
    10,914.88x = 15,061.56 × 6,198.28
  4. Step 4: Simplify right side
    10,914.88x = 93,355,766.12
  5. Step 5: Solve for x
    x = 93,355,766.12/10,914.88
  6. Step 6: Final answer
    x = 8,553.07

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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.