Home / 11,556.40-15,947.82-6,251.23

Finding the Fourth Proportional to 11,556.40, 15,947.82 and 6,251.23

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Solution

The fourth proportional to 11,556.40, 15,947.82 and 6,251.23 is: 8,626.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.40 : 15,947.82 = 6,251.23 : x
  2. Step 2: Convert to fraction form
    11,556.40/15,947.82 = 6,251.23/x
  3. Step 3: Cross multiply
    11,556.40x = 15,947.82 × 6,251.23
  4. Step 4: Simplify right side
    11,556.40x = 99,693,490.82
  5. Step 5: Solve for x
    x = 99,693,490.82/11,556.40
  6. Step 6: Final answer
    x = 8,626.69

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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.