Home / 15,217.85-22,795.34-8,958.58

Finding the Fourth Proportional to 15,217.85, 22,795.34 and 8,958.58

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Solution

The fourth proportional to 15,217.85, 22,795.34 and 8,958.58 is: 13,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.85 : 22,795.34 = 8,958.58 : x
  2. Step 2: Convert to fraction form
    15,217.85/22,795.34 = 8,958.58/x
  3. Step 3: Cross multiply
    15,217.85x = 22,795.34 × 8,958.58
  4. Step 4: Simplify right side
    15,217.85x = 204,213,877.02
  5. Step 5: Solve for x
    x = 204,213,877.02/15,217.85
  6. Step 6: Final answer
    x = 13,419.36

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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.