Home / 11,151.06-16,727.63-7,958.72

Finding the Fourth Proportional to 11,151.06, 16,727.63 and 7,958.72

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Solution

The fourth proportional to 11,151.06, 16,727.63 and 7,958.72 is: 11,938.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.06 : 16,727.63 = 7,958.72 : x
  2. Step 2: Convert to fraction form
    11,151.06/16,727.63 = 7,958.72/x
  3. Step 3: Cross multiply
    11,151.06x = 16,727.63 × 7,958.72
  4. Step 4: Simplify right side
    11,151.06x = 133,130,400.00
  5. Step 5: Solve for x
    x = 133,130,400.00/11,151.06
  6. Step 6: Final answer
    x = 11,938.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.