Home / 10,502.94-15,759.05-5,571.37

Finding the Fourth Proportional to 10,502.94, 15,759.05 and 5,571.37

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Solution

The fourth proportional to 10,502.94, 15,759.05 and 5,571.37 is: 8,359.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.94 : 15,759.05 = 5,571.37 : x
  2. Step 2: Convert to fraction form
    10,502.94/15,759.05 = 5,571.37/x
  3. Step 3: Cross multiply
    10,502.94x = 15,759.05 × 5,571.37
  4. Step 4: Simplify right side
    10,502.94x = 87,799,523.87
  5. Step 5: Solve for x
    x = 87,799,523.87/10,502.94
  6. Step 6: Final answer
    x = 8,359.52

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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.