Home / 10,511.03-15,766.65-6,125.69

Finding the Fourth Proportional to 10,511.03, 15,766.65 and 6,125.69

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Solution

The fourth proportional to 10,511.03, 15,766.65 and 6,125.69 is: 9,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.03 : 15,766.65 = 6,125.69 : x
  2. Step 2: Convert to fraction form
    10,511.03/15,766.65 = 6,125.69/x
  3. Step 3: Cross multiply
    10,511.03x = 15,766.65 × 6,125.69
  4. Step 4: Simplify right side
    10,511.03x = 96,581,649.66
  5. Step 5: Solve for x
    x = 96,581,649.66/10,511.03
  6. Step 6: Final answer
    x = 9,188.60

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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.