Home / 11,556.39-15,947.79-6,251.19

Finding the Fourth Proportional to 11,556.39, 15,947.79 and 6,251.19

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Solution

The fourth proportional to 11,556.39, 15,947.79 and 6,251.19 is: 8,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.39 : 15,947.79 = 6,251.19 : x
  2. Step 2: Convert to fraction form
    11,556.39/15,947.79 = 6,251.19/x
  3. Step 3: Cross multiply
    11,556.39x = 15,947.79 × 6,251.19
  4. Step 4: Simplify right side
    11,556.39x = 99,692,665.37
  5. Step 5: Solve for x
    x = 99,692,665.37/11,556.39
  6. Step 6: Final answer
    x = 8,626.63

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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.