Home / 12,224.43-18,320.22-6,669.45

Finding the Fourth Proportional to 12,224.43, 18,320.22 and 6,669.45

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Solution

The fourth proportional to 12,224.43, 18,320.22 and 6,669.45 is: 9,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.43 : 18,320.22 = 6,669.45 : x
  2. Step 2: Convert to fraction form
    12,224.43/18,320.22 = 6,669.45/x
  3. Step 3: Cross multiply
    12,224.43x = 18,320.22 × 6,669.45
  4. Step 4: Simplify right side
    12,224.43x = 122,185,791.28
  5. Step 5: Solve for x
    x = 122,185,791.28/12,224.43
  6. Step 6: Final answer
    x = 9,995.21

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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.