Home / 12,014.80-18,024.64-4,229.12

Finding the Fourth Proportional to 12,014.80, 18,024.64 and 4,229.12

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Solution

The fourth proportional to 12,014.80, 18,024.64 and 4,229.12 is: 6,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.80 : 18,024.64 = 4,229.12 : x
  2. Step 2: Convert to fraction form
    12,014.80/18,024.64 = 4,229.12/x
  3. Step 3: Cross multiply
    12,014.80x = 18,024.64 × 4,229.12
  4. Step 4: Simplify right side
    12,014.80x = 76,228,365.52
  5. Step 5: Solve for x
    x = 76,228,365.52/12,014.80
  6. Step 6: Final answer
    x = 6,344.54

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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.