Home / 11,255.07-15,531.10-6,539.66

Finding the Fourth Proportional to 11,255.07, 15,531.10 and 6,539.66

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Solution

The fourth proportional to 11,255.07, 15,531.10 and 6,539.66 is: 9,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.07 : 15,531.10 = 6,539.66 : x
  2. Step 2: Convert to fraction form
    11,255.07/15,531.10 = 6,539.66/x
  3. Step 3: Cross multiply
    11,255.07x = 15,531.10 × 6,539.66
  4. Step 4: Simplify right side
    11,255.07x = 101,568,113.43
  5. Step 5: Solve for x
    x = 101,568,113.43/11,255.07
  6. Step 6: Final answer
    x = 9,024.21

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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.