Home / 10,539.22-15,807.23-3,963.87

Finding the Fourth Proportional to 10,539.22, 15,807.23 and 3,963.87

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Solution

The fourth proportional to 10,539.22, 15,807.23 and 3,963.87 is: 5,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.22 : 15,807.23 = 3,963.87 : x
  2. Step 2: Convert to fraction form
    10,539.22/15,807.23 = 3,963.87/x
  3. Step 3: Cross multiply
    10,539.22x = 15,807.23 × 3,963.87
  4. Step 4: Simplify right side
    10,539.22x = 62,657,814.69
  5. Step 5: Solve for x
    x = 62,657,814.69/10,539.22
  6. Step 6: Final answer
    x = 5,945.21

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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.