Home / 15,069.26-20,794.29-8,782.22

Finding the Fourth Proportional to 15,069.26, 20,794.29 and 8,782.22

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Solution

The fourth proportional to 15,069.26, 20,794.29 and 8,782.22 is: 12,118.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,069.26 : 20,794.29 = 8,782.22 : x
  2. Step 2: Convert to fraction form
    15,069.26/20,794.29 = 8,782.22/x
  3. Step 3: Cross multiply
    15,069.26x = 20,794.29 × 8,782.22
  4. Step 4: Simplify right side
    15,069.26x = 182,620,029.52
  5. Step 5: Solve for x
    x = 182,620,029.52/15,069.26
  6. Step 6: Final answer
    x = 12,118.71

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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.