Home / 11,812.13-16,301.44-6,777.77

Finding the Fourth Proportional to 11,812.13, 16,301.44 and 6,777.77

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Solution

The fourth proportional to 11,812.13, 16,301.44 and 6,777.77 is: 9,353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.13 : 16,301.44 = 6,777.77 : x
  2. Step 2: Convert to fraction form
    11,812.13/16,301.44 = 6,777.77/x
  3. Step 3: Cross multiply
    11,812.13x = 16,301.44 × 6,777.77
  4. Step 4: Simplify right side
    11,812.13x = 110,487,377.10
  5. Step 5: Solve for x
    x = 110,487,377.10/11,812.13
  6. Step 6: Final answer
    x = 9,353.73

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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.