Home / 11,991.27-16,548.02-6,686.31

Finding the Fourth Proportional to 11,991.27, 16,548.02 and 6,686.31

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Solution

The fourth proportional to 11,991.27, 16,548.02 and 6,686.31 is: 9,227.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.27 : 16,548.02 = 6,686.31 : x
  2. Step 2: Convert to fraction form
    11,991.27/16,548.02 = 6,686.31/x
  3. Step 3: Cross multiply
    11,991.27x = 16,548.02 × 6,686.31
  4. Step 4: Simplify right side
    11,991.27x = 110,645,158.17
  5. Step 5: Solve for x
    x = 110,645,158.17/11,991.27
  6. Step 6: Final answer
    x = 9,227.14

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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.