Home / 12,571.88-17,346.02-8,377.32

Finding the Fourth Proportional to 12,571.88, 17,346.02 and 8,377.32

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Solution

The fourth proportional to 12,571.88, 17,346.02 and 8,377.32 is: 11,558.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.88 : 17,346.02 = 8,377.32 : x
  2. Step 2: Convert to fraction form
    12,571.88/17,346.02 = 8,377.32/x
  3. Step 3: Cross multiply
    12,571.88x = 17,346.02 × 8,377.32
  4. Step 4: Simplify right side
    12,571.88x = 145,313,160.27
  5. Step 5: Solve for x
    x = 145,313,160.27/12,571.88
  6. Step 6: Final answer
    x = 11,558.59

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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.