Home / 22,405.20-33,606.42-9,921.60

Finding the Fourth Proportional to 22,405.20, 33,606.42 and 9,921.60

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Solution

The fourth proportional to 22,405.20, 33,606.42 and 9,921.60 is: 14,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,405.20 : 33,606.42 = 9,921.60 : x
  2. Step 2: Convert to fraction form
    22,405.20/33,606.42 = 9,921.60/x
  3. Step 3: Cross multiply
    22,405.20x = 33,606.42 × 9,921.60
  4. Step 4: Simplify right side
    22,405.20x = 333,429,456.67
  5. Step 5: Solve for x
    x = 333,429,456.67/22,405.20
  6. Step 6: Final answer
    x = 14,881.79

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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.