Home / 11,871.70-16,383.38-6,566.56

Finding the Fourth Proportional to 11,871.70, 16,383.38 and 6,566.56

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Solution

The fourth proportional to 11,871.70, 16,383.38 and 6,566.56 is: 9,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871.70 : 16,383.38 = 6,566.56 : x
  2. Step 2: Convert to fraction form
    11,871.70/16,383.38 = 6,566.56/x
  3. Step 3: Cross multiply
    11,871.70x = 16,383.38 × 6,566.56
  4. Step 4: Simplify right side
    11,871.70x = 107,582,447.77
  5. Step 5: Solve for x
    x = 107,582,447.77/11,871.70
  6. Step 6: Final answer
    x = 9,062.09

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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.