Home / 11,871.64-16,382.42-6,566.36

Finding the Fourth Proportional to 11,871.64, 16,382.42 and 6,566.36

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Solution

The fourth proportional to 11,871.64, 16,382.42 and 6,566.36 is: 9,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871.64 : 16,382.42 = 6,566.36 : x
  2. Step 2: Convert to fraction form
    11,871.64/16,382.42 = 6,566.36/x
  3. Step 3: Cross multiply
    11,871.64x = 16,382.42 × 6,566.36
  4. Step 4: Simplify right side
    11,871.64x = 107,572,867.39
  5. Step 5: Solve for x
    x = 107,572,867.39/11,871.64
  6. Step 6: Final answer
    x = 9,061.33

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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.