Home / 15,571.98-21,489.22-8,498.24

Finding the Fourth Proportional to 15,571.98, 21,489.22 and 8,498.24

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Solution

The fourth proportional to 15,571.98, 21,489.22 and 8,498.24 is: 11,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571.98 : 21,489.22 = 8,498.24 : x
  2. Step 2: Convert to fraction form
    15,571.98/21,489.22 = 8,498.24/x
  3. Step 3: Cross multiply
    15,571.98x = 21,489.22 × 8,498.24
  4. Step 4: Simplify right side
    15,571.98x = 182,620,548.97
  5. Step 5: Solve for x
    x = 182,620,548.97/15,571.98
  6. Step 6: Final answer
    x = 11,727.51

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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.