Home / 10,506.85-15,761.43-4,265.96

Finding the Fourth Proportional to 10,506.85, 15,761.43 and 4,265.96

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Solution

The fourth proportional to 10,506.85, 15,761.43 and 4,265.96 is: 6,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.85 : 15,761.43 = 4,265.96 : x
  2. Step 2: Convert to fraction form
    10,506.85/15,761.43 = 4,265.96/x
  3. Step 3: Cross multiply
    10,506.85x = 15,761.43 × 4,265.96
  4. Step 4: Simplify right side
    10,506.85x = 67,237,629.92
  5. Step 5: Solve for x
    x = 67,237,629.92/10,506.85
  6. Step 6: Final answer
    x = 6,399.41

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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.