Home / 13,411.08-20,116.54-7,293.96

Finding the Fourth Proportional to 13,411.08, 20,116.54 and 7,293.96

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Solution

The fourth proportional to 13,411.08, 20,116.54 and 7,293.96 is: 10,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411.08 : 20,116.54 = 7,293.96 : x
  2. Step 2: Convert to fraction form
    13,411.08/20,116.54 = 7,293.96/x
  3. Step 3: Cross multiply
    13,411.08x = 20,116.54 × 7,293.96
  4. Step 4: Simplify right side
    13,411.08x = 146,729,238.10
  5. Step 5: Solve for x
    x = 146,729,238.10/13,411.08
  6. Step 6: Final answer
    x = 10,940.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.