Home / 10,539.92-15,810.69-3,965.96

Finding the Fourth Proportional to 10,539.92, 15,810.69 and 3,965.96

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Solution

The fourth proportional to 10,539.92, 15,810.69 and 3,965.96 is: 5,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.92 : 15,810.69 = 3,965.96 : x
  2. Step 2: Convert to fraction form
    10,539.92/15,810.69 = 3,965.96/x
  3. Step 3: Cross multiply
    10,539.92x = 15,810.69 × 3,965.96
  4. Step 4: Simplify right side
    10,539.92x = 62,704,485.06
  5. Step 5: Solve for x
    x = 62,704,485.06/10,539.92
  6. Step 6: Final answer
    x = 5,949.24

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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.