Home / 13,850.96-20,761.05-10,553.18

Finding the Fourth Proportional to 13,850.96, 20,761.05 and 10,553.18

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Solution

The fourth proportional to 13,850.96, 20,761.05 and 10,553.18 is: 15,818.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.96 : 20,761.05 = 10,553.18 : x
  2. Step 2: Convert to fraction form
    13,850.96/20,761.05 = 10,553.18/x
  3. Step 3: Cross multiply
    13,850.96x = 20,761.05 × 10,553.18
  4. Step 4: Simplify right side
    13,850.96x = 219,095,097.64
  5. Step 5: Solve for x
    x = 219,095,097.64/13,850.96
  6. Step 6: Final answer
    x = 15,818.04

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1.5x scale

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.