Home / 11,239.75-15,510.86-6,524.34

Finding the Fourth Proportional to 11,239.75, 15,510.86 and 6,524.34

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Solution

The fourth proportional to 11,239.75, 15,510.86 and 6,524.34 is: 9,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.75 : 15,510.86 = 6,524.34 : x
  2. Step 2: Convert to fraction form
    11,239.75/15,510.86 = 6,524.34/x
  3. Step 3: Cross multiply
    11,239.75x = 15,510.86 × 6,524.34
  4. Step 4: Simplify right side
    11,239.75x = 101,198,124.33
  5. Step 5: Solve for x
    x = 101,198,124.33/11,239.75
  6. Step 6: Final answer
    x = 9,003.59

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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.