Home / 15,043.16-20,759.66-8,329.22

Finding the Fourth Proportional to 15,043.16, 20,759.66 and 8,329.22

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Solution

The fourth proportional to 15,043.16, 20,759.66 and 8,329.22 is: 11,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043.16 : 20,759.66 = 8,329.22 : x
  2. Step 2: Convert to fraction form
    15,043.16/20,759.66 = 8,329.22/x
  3. Step 3: Cross multiply
    15,043.16x = 20,759.66 × 8,329.22
  4. Step 4: Simplify right side
    15,043.16x = 172,911,733.62
  5. Step 5: Solve for x
    x = 172,911,733.62/15,043.16
  6. Step 6: Final answer
    x = 11,494.38

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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.