Home / 11,724.51-16,177.22-6,942.07

Finding the Fourth Proportional to 11,724.51, 16,177.22 and 6,942.07

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Solution

The fourth proportional to 11,724.51, 16,177.22 and 6,942.07 is: 9,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.51 : 16,177.22 = 6,942.07 : x
  2. Step 2: Convert to fraction form
    11,724.51/16,177.22 = 6,942.07/x
  3. Step 3: Cross multiply
    11,724.51x = 16,177.22 × 6,942.07
  4. Step 4: Simplify right side
    11,724.51x = 112,303,405.19
  5. Step 5: Solve for x
    x = 112,303,405.19/11,724.51
  6. Step 6: Final answer
    x = 9,578.51

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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.