Home / 10,961.91-15,127.29-6,246.09

Finding the Fourth Proportional to 10,961.91, 15,127.29 and 6,246.09

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Solution

The fourth proportional to 10,961.91, 15,127.29 and 6,246.09 is: 8,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.91 : 15,127.29 = 6,246.09 : x
  2. Step 2: Convert to fraction form
    10,961.91/15,127.29 = 6,246.09/x
  3. Step 3: Cross multiply
    10,961.91x = 15,127.29 × 6,246.09
  4. Step 4: Simplify right side
    10,961.91x = 94,486,414.80
  5. Step 5: Solve for x
    x = 94,486,414.80/10,961.91
  6. Step 6: Final answer
    x = 8,619.52

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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.