Home / 15,308.85-22,905.32-9,072.21

Finding the Fourth Proportional to 15,308.85, 22,905.32 and 9,072.21

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Solution

The fourth proportional to 15,308.85, 22,905.32 and 9,072.21 is: 13,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.85 : 22,905.32 = 9,072.21 : x
  2. Step 2: Convert to fraction form
    15,308.85/22,905.32 = 9,072.21/x
  3. Step 3: Cross multiply
    15,308.85x = 22,905.32 × 9,072.21
  4. Step 4: Simplify right side
    15,308.85x = 207,801,827.80
  5. Step 5: Solve for x
    x = 207,801,827.80/15,308.85
  6. Step 6: Final answer
    x = 13,573.97

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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.