Home / 10,551.18-15,825.75-4,311.75

Finding the Fourth Proportional to 10,551.18, 15,825.75 and 4,311.75

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Solution

The fourth proportional to 10,551.18, 15,825.75 and 4,311.75 is: 6,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.18 : 15,825.75 = 4,311.75 : x
  2. Step 2: Convert to fraction form
    10,551.18/15,825.75 = 4,311.75/x
  3. Step 3: Cross multiply
    10,551.18x = 15,825.75 × 4,311.75
  4. Step 4: Simplify right side
    10,551.18x = 68,236,677.56
  5. Step 5: Solve for x
    x = 68,236,677.56/10,551.18
  6. Step 6: Final answer
    x = 6,467.21

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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.