Home / 12,221.24-18,334.02-4,328.34

Finding the Fourth Proportional to 12,221.24, 18,334.02 and 4,328.34

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Solution

The fourth proportional to 12,221.24, 18,334.02 and 4,328.34 is: 6,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,221.24 : 18,334.02 = 4,328.34 : x
  2. Step 2: Convert to fraction form
    12,221.24/18,334.02 = 4,328.34/x
  3. Step 3: Cross multiply
    12,221.24x = 18,334.02 × 4,328.34
  4. Step 4: Simplify right side
    12,221.24x = 79,355,843.28
  5. Step 5: Solve for x
    x = 79,355,843.28/12,221.24
  6. Step 6: Final answer
    x = 6,493.27

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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.