Home / 10,650.55-15,964.89-4,811.23

Finding the Fourth Proportional to 10,650.55, 15,964.89 and 4,811.23

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Solution

The fourth proportional to 10,650.55, 15,964.89 and 4,811.23 is: 7,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,650.55 : 15,964.89 = 4,811.23 : x
  2. Step 2: Convert to fraction form
    10,650.55/15,964.89 = 4,811.23/x
  3. Step 3: Cross multiply
    10,650.55x = 15,964.89 × 4,811.23
  4. Step 4: Simplify right side
    10,650.55x = 76,810,733.66
  5. Step 5: Solve for x
    x = 76,810,733.66/10,650.55
  6. Step 6: Final answer
    x = 7,211.90

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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.