Home / 12,229.12-18,333.32-4,838.80

Finding the Fourth Proportional to 12,229.12, 18,333.32 and 4,838.80

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Solution

The fourth proportional to 12,229.12, 18,333.32 and 4,838.80 is: 7,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.12 : 18,333.32 = 4,838.80 : x
  2. Step 2: Convert to fraction form
    12,229.12/18,333.32 = 4,838.80/x
  3. Step 3: Cross multiply
    12,229.12x = 18,333.32 × 4,838.80
  4. Step 4: Simplify right side
    12,229.12x = 88,711,189.25
  5. Step 5: Solve for x
    x = 88,711,189.25/12,229.12
  6. Step 6: Final answer
    x = 7,254.09

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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.