Home / 22,860.20-34,319.10-12,338.60

Finding the Fourth Proportional to 22,860.20, 34,319.10 and 12,338.60

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Solution

The fourth proportional to 22,860.20, 34,319.10 and 12,338.60 is: 18,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,860.20 : 34,319.10 = 12,338.60 : x
  2. Step 2: Convert to fraction form
    22,860.20/34,319.10 = 12,338.60/x
  3. Step 3: Cross multiply
    22,860.20x = 34,319.10 × 12,338.60
  4. Step 4: Simplify right side
    22,860.20x = 423,449,647.26
  5. Step 5: Solve for x
    x = 423,449,647.26/22,860.20
  6. Step 6: Final answer
    x = 18,523.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.