Home / 43,895.94-65,843.22-10,615.78

Finding the Fourth Proportional to 43,895.94, 65,843.22 and 10,615.78

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Solution

The fourth proportional to 43,895.94, 65,843.22 and 10,615.78 is: 15,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,895.94 : 65,843.22 = 10,615.78 : x
  2. Step 2: Convert to fraction form
    43,895.94/65,843.22 = 10,615.78/x
  3. Step 3: Cross multiply
    43,895.94x = 65,843.22 × 10,615.78
  4. Step 4: Simplify right side
    43,895.94x = 698,977,138.01
  5. Step 5: Solve for x
    x = 698,977,138.01/43,895.94
  6. Step 6: Final answer
    x = 15,923.50

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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.