Home / 19,515.21-29,249.36-11,200.97

Finding the Fourth Proportional to 19,515.21, 29,249.36 and 11,200.97

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Solution

The fourth proportional to 19,515.21, 29,249.36 and 11,200.97 is: 16,787.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.21 : 29,249.36 = 11,200.97 : x
  2. Step 2: Convert to fraction form
    19,515.21/29,249.36 = 11,200.97/x
  3. Step 3: Cross multiply
    19,515.21x = 29,249.36 × 11,200.97
  4. Step 4: Simplify right side
    19,515.21x = 327,621,203.88
  5. Step 5: Solve for x
    x = 327,621,203.88/19,515.21
  6. Step 6: Final answer
    x = 16,787.99

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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.