Home / 10,380.45-15,568.34-2,983.26

Finding the Fourth Proportional to 10,380.45, 15,568.34 and 2,983.26

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Solution

The fourth proportional to 10,380.45, 15,568.34 and 2,983.26 is: 4,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.45 : 15,568.34 = 2,983.26 : x
  2. Step 2: Convert to fraction form
    10,380.45/15,568.34 = 2,983.26/x
  3. Step 3: Cross multiply
    10,380.45x = 15,568.34 × 2,983.26
  4. Step 4: Simplify right side
    10,380.45x = 46,444,405.99
  5. Step 5: Solve for x
    x = 46,444,405.99/10,380.45
  6. Step 6: Final answer
    x = 4,474.22

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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.