Home / 13,761.11-18,989.96-7,793.34

Finding the Fourth Proportional to 13,761.11, 18,989.96 and 7,793.34

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Solution

The fourth proportional to 13,761.11, 18,989.96 and 7,793.34 is: 10,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.11 : 18,989.96 = 7,793.34 : x
  2. Step 2: Convert to fraction form
    13,761.11/18,989.96 = 7,793.34/x
  3. Step 3: Cross multiply
    13,761.11x = 18,989.96 × 7,793.34
  4. Step 4: Simplify right side
    13,761.11x = 147,995,214.87
  5. Step 5: Solve for x
    x = 147,995,214.87/13,761.11
  6. Step 6: Final answer
    x = 10,754.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.