Home / 11,911.22-16,400.06-10,114.92

Finding the Fourth Proportional to 11,911.22, 16,400.06 and 10,114.92

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Solution

The fourth proportional to 11,911.22, 16,400.06 and 10,114.92 is: 13,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.22 : 16,400.06 = 10,114.92 : x
  2. Step 2: Convert to fraction form
    11,911.22/16,400.06 = 10,114.92/x
  3. Step 3: Cross multiply
    11,911.22x = 16,400.06 × 10,114.92
  4. Step 4: Simplify right side
    11,911.22x = 165,885,294.90
  5. Step 5: Solve for x
    x = 165,885,294.90/11,911.22
  6. Step 6: Final answer
    x = 13,926.81

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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.