Home / 10,976.91-15,144.41-6,196.29

Finding the Fourth Proportional to 10,976.91, 15,144.41 and 6,196.29

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Solution

The fourth proportional to 10,976.91, 15,144.41 and 6,196.29 is: 8,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.91 : 15,144.41 = 6,196.29 : x
  2. Step 2: Convert to fraction form
    10,976.91/15,144.41 = 6,196.29/x
  3. Step 3: Cross multiply
    10,976.91x = 15,144.41 × 6,196.29
  4. Step 4: Simplify right side
    10,976.91x = 93,839,125.26
  5. Step 5: Solve for x
    x = 93,839,125.26/10,976.91
  6. Step 6: Final answer
    x = 8,548.77

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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.