Home / 12,226.50-18,327.33-4,820.79

Finding the Fourth Proportional to 12,226.50, 18,327.33 and 4,820.79

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Solution

The fourth proportional to 12,226.50, 18,327.33 and 4,820.79 is: 7,226.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.50 : 18,327.33 = 4,820.79 : x
  2. Step 2: Convert to fraction form
    12,226.50/18,327.33 = 4,820.79/x
  3. Step 3: Cross multiply
    12,226.50x = 18,327.33 × 4,820.79
  4. Step 4: Simplify right side
    12,226.50x = 88,352,209.19
  5. Step 5: Solve for x
    x = 88,352,209.19/12,226.50
  6. Step 6: Final answer
    x = 7,226.29

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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.