Home / 22,069.20-30,452.49-13,113.44

Finding the Fourth Proportional to 22,069.20, 30,452.49 and 13,113.44

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Solution

The fourth proportional to 22,069.20, 30,452.49 and 13,113.44 is: 18,094.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,069.20 : 30,452.49 = 13,113.44 : x
  2. Step 2: Convert to fraction form
    22,069.20/30,452.49 = 13,113.44/x
  3. Step 3: Cross multiply
    22,069.20x = 30,452.49 × 13,113.44
  4. Step 4: Simplify right side
    22,069.20x = 399,336,748.20
  5. Step 5: Solve for x
    x = 399,336,748.20/22,069.20
  6. Step 6: Final answer
    x = 18,094.75

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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.