Home / 13,969.92-20,958.02-4,110

Finding the Fourth Proportional to 13,969.92, 20,958.02 and 4,110

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Solution

The fourth proportional to 13,969.92, 20,958.02 and 4,110 is: 6,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.92 : 20,958.02 = 4,110 : x
  2. Step 2: Convert to fraction form
    13,969.92/20,958.02 = 4,110/x
  3. Step 3: Cross multiply
    13,969.92x = 20,958.02 × 4,110
  4. Step 4: Simplify right side
    13,969.92x = 86,137,462.20
  5. Step 5: Solve for x
    x = 86,137,462.20/13,969.92
  6. Step 6: Final answer
    x = 6,165.92

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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.