Home / 13,803.31-20,705.65-3,944.04

Finding the Fourth Proportional to 13,803.31, 20,705.65 and 3,944.04

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Solution

The fourth proportional to 13,803.31, 20,705.65 and 3,944.04 is: 5,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.31 : 20,705.65 = 3,944.04 : x
  2. Step 2: Convert to fraction form
    13,803.31/20,705.65 = 3,944.04/x
  3. Step 3: Cross multiply
    13,803.31x = 20,705.65 × 3,944.04
  4. Step 4: Simplify right side
    13,803.31x = 81,663,951.88
  5. Step 5: Solve for x
    x = 81,663,951.88/13,803.31
  6. Step 6: Final answer
    x = 5,916.26

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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.