Home / 10,435.40-15,650.62-4,195.43

Finding the Fourth Proportional to 10,435.40, 15,650.62 and 4,195.43

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Solution

The fourth proportional to 10,435.40, 15,650.62 and 4,195.43 is: 6,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.40 : 15,650.62 = 4,195.43 : x
  2. Step 2: Convert to fraction form
    10,435.40/15,650.62 = 4,195.43/x
  3. Step 3: Cross multiply
    10,435.40x = 15,650.62 × 4,195.43
  4. Step 4: Simplify right side
    10,435.40x = 65,661,080.67
  5. Step 5: Solve for x
    x = 65,661,080.67/10,435.40
  6. Step 6: Final answer
    x = 6,292.15

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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.