Home / 12,225.62-18,334.84-5,205.55

Finding the Fourth Proportional to 12,225.62, 18,334.84 and 5,205.55

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Solution

The fourth proportional to 12,225.62, 18,334.84 and 5,205.55 is: 7,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225.62 : 18,334.84 = 5,205.55 : x
  2. Step 2: Convert to fraction form
    12,225.62/18,334.84 = 5,205.55/x
  3. Step 3: Cross multiply
    12,225.62x = 18,334.84 × 5,205.55
  4. Step 4: Simplify right side
    12,225.62x = 95,442,926.36
  5. Step 5: Solve for x
    x = 95,442,926.36/12,225.62
  6. Step 6: Final answer
    x = 7,806.80

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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.