Home / 11,871.74-16,382.54-6,566.64

Finding the Fourth Proportional to 11,871.74, 16,382.54 and 6,566.64

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Solution

The fourth proportional to 11,871.74, 16,382.54 and 6,566.64 is: 9,061.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871.74 : 16,382.54 = 6,566.64 : x
  2. Step 2: Convert to fraction form
    11,871.74/16,382.54 = 6,566.64/x
  3. Step 3: Cross multiply
    11,871.74x = 16,382.54 × 6,566.64
  4. Step 4: Simplify right side
    11,871.74x = 107,578,209.63
  5. Step 5: Solve for x
    x = 107,578,209.63/11,871.74
  6. Step 6: Final answer
    x = 9,061.71

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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.