Home / 12,224.45-18,335.14-3,905.35

Finding the Fourth Proportional to 12,224.45, 18,335.14 and 3,905.35

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Solution

The fourth proportional to 12,224.45, 18,335.14 and 3,905.35 is: 5,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.45 : 18,335.14 = 3,905.35 : x
  2. Step 2: Convert to fraction form
    12,224.45/18,335.14 = 3,905.35/x
  3. Step 3: Cross multiply
    12,224.45x = 18,335.14 × 3,905.35
  4. Step 4: Simplify right side
    12,224.45x = 71,605,083.40
  5. Step 5: Solve for x
    x = 71,605,083.40/12,224.45
  6. Step 6: Final answer
    x = 5,857.53

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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.