Home / 10,932.41-15,086.13-6,216.38

Finding the Fourth Proportional to 10,932.41, 15,086.13 and 6,216.38

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Solution

The fourth proportional to 10,932.41, 15,086.13 and 6,216.38 is: 8,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.41 : 15,086.13 = 6,216.38 : x
  2. Step 2: Convert to fraction form
    10,932.41/15,086.13 = 6,216.38/x
  3. Step 3: Cross multiply
    10,932.41x = 15,086.13 × 6,216.38
  4. Step 4: Simplify right side
    10,932.41x = 93,781,116.81
  5. Step 5: Solve for x
    x = 93,781,116.81/10,932.41
  6. Step 6: Final answer
    x = 8,578.27

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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.