Home / 11,556.76-15,947.13-6,521.26

Finding the Fourth Proportional to 11,556.76, 15,947.13 and 6,521.26

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Solution

The fourth proportional to 11,556.76, 15,947.13 and 6,521.26 is: 8,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.76 : 15,947.13 = 6,521.26 : x
  2. Step 2: Convert to fraction form
    11,556.76/15,947.13 = 6,521.26/x
  3. Step 3: Cross multiply
    11,556.76x = 15,947.13 × 6,521.26
  4. Step 4: Simplify right side
    11,556.76x = 103,995,380.98
  5. Step 5: Solve for x
    x = 103,995,380.98/11,556.76
  6. Step 6: Final answer
    x = 8,998.66

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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.