Home / 10,509.41-15,764.08-3,489.96

Finding the Fourth Proportional to 10,509.41, 15,764.08 and 3,489.96

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Solution

The fourth proportional to 10,509.41, 15,764.08 and 3,489.96 is: 5,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.41 : 15,764.08 = 3,489.96 : x
  2. Step 2: Convert to fraction form
    10,509.41/15,764.08 = 3,489.96/x
  3. Step 3: Cross multiply
    10,509.41x = 15,764.08 × 3,489.96
  4. Step 4: Simplify right side
    10,509.41x = 55,015,929.82
  5. Step 5: Solve for x
    x = 55,015,929.82/10,509.41
  6. Step 6: Final answer
    x = 5,234.92

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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.