Home / 21,370.53-32,067.27-8,899.17

Finding the Fourth Proportional to 21,370.53, 32,067.27 and 8,899.17

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Solution

The fourth proportional to 21,370.53, 32,067.27 and 8,899.17 is: 13,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370.53 : 32,067.27 = 8,899.17 : x
  2. Step 2: Convert to fraction form
    21,370.53/32,067.27 = 8,899.17/x
  3. Step 3: Cross multiply
    21,370.53x = 32,067.27 × 8,899.17
  4. Step 4: Simplify right side
    21,370.53x = 285,372,087.17
  5. Step 5: Solve for x
    x = 285,372,087.17/21,370.53
  6. Step 6: Final answer
    x = 13,353.53

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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.