Home / 11,871.06-16,371.23-10,191.93

Finding the Fourth Proportional to 11,871.06, 16,371.23 and 10,191.93

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Solution

The fourth proportional to 11,871.06, 16,371.23 and 10,191.93 is: 14,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871.06 : 16,371.23 = 10,191.93 : x
  2. Step 2: Convert to fraction form
    11,871.06/16,371.23 = 10,191.93/x
  3. Step 3: Cross multiply
    11,871.06x = 16,371.23 × 10,191.93
  4. Step 4: Simplify right side
    11,871.06x = 166,854,379.21
  5. Step 5: Solve for x
    x = 166,854,379.21/11,871.06
  6. Step 6: Final answer
    x = 14,055.56

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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.