Home / 10,657.55-15,986.30-2,866.37

Finding the Fourth Proportional to 10,657.55, 15,986.30 and 2,866.37

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Solution

The fourth proportional to 10,657.55, 15,986.30 and 2,866.37 is: 4,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.55 : 15,986.30 = 2,866.37 : x
  2. Step 2: Convert to fraction form
    10,657.55/15,986.30 = 2,866.37/x
  3. Step 3: Cross multiply
    10,657.55x = 15,986.30 × 2,866.37
  4. Step 4: Simplify right side
    10,657.55x = 45,822,650.73
  5. Step 5: Solve for x
    x = 45,822,650.73/10,657.55
  6. Step 6: Final answer
    x = 4,299.55

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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.