Home / 10,352.85-15,511.05-8,493.90

Finding the Fourth Proportional to 10,352.85, 15,511.05 and 8,493.90

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Solution

The fourth proportional to 10,352.85, 15,511.05 and 8,493.90 is: 12,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.85 : 15,511.05 = 8,493.90 : x
  2. Step 2: Convert to fraction form
    10,352.85/15,511.05 = 8,493.90/x
  3. Step 3: Cross multiply
    10,352.85x = 15,511.05 × 8,493.90
  4. Step 4: Simplify right side
    10,352.85x = 131,749,307.60
  5. Step 5: Solve for x
    x = 131,749,307.60/10,352.85
  6. Step 6: Final answer
    x = 12,725.90

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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.