Home / 11,519.94-15,906.75-7,488.77

Finding the Fourth Proportional to 11,519.94, 15,906.75 and 7,488.77

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Solution

The fourth proportional to 11,519.94, 15,906.75 and 7,488.77 is: 10,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.94 : 15,906.75 = 7,488.77 : x
  2. Step 2: Convert to fraction form
    11,519.94/15,906.75 = 7,488.77/x
  3. Step 3: Cross multiply
    11,519.94x = 15,906.75 × 7,488.77
  4. Step 4: Simplify right side
    11,519.94x = 119,121,912.66
  5. Step 5: Solve for x
    x = 119,121,912.66/11,519.94
  6. Step 6: Final answer
    x = 10,340.50

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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.