Home / 11,661.28-16,092.06-6,356.12

Finding the Fourth Proportional to 11,661.28, 16,092.06 and 6,356.12

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Solution

The fourth proportional to 11,661.28, 16,092.06 and 6,356.12 is: 8,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.28 : 16,092.06 = 6,356.12 : x
  2. Step 2: Convert to fraction form
    11,661.28/16,092.06 = 6,356.12/x
  3. Step 3: Cross multiply
    11,661.28x = 16,092.06 × 6,356.12
  4. Step 4: Simplify right side
    11,661.28x = 102,283,064.41
  5. Step 5: Solve for x
    x = 102,283,064.41/11,661.28
  6. Step 6: Final answer
    x = 8,771.17

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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.