Home / 22,904.96-34,364-11,221.60

Finding the Fourth Proportional to 22,904.96, 34,364 and 11,221.60

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Solution

The fourth proportional to 22,904.96, 34,364 and 11,221.60 is: 16,835.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,904.96 : 34,364 = 11,221.60 : x
  2. Step 2: Convert to fraction form
    22,904.96/34,364 = 11,221.60/x
  3. Step 3: Cross multiply
    22,904.96x = 34,364 × 11,221.60
  4. Step 4: Simplify right side
    22,904.96x = 385,619,062.40
  5. Step 5: Solve for x
    x = 385,619,062.40/22,904.96
  6. Step 6: Final answer
    x = 16,835.61

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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.