Home / 19,334.72-29,005.84-8,241.28

Finding the Fourth Proportional to 19,334.72, 29,005.84 and 8,241.28

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Solution

The fourth proportional to 19,334.72, 29,005.84 and 8,241.28 is: 12,363.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,334.72 : 29,005.84 = 8,241.28 : x
  2. Step 2: Convert to fraction form
    19,334.72/29,005.84 = 8,241.28/x
  3. Step 3: Cross multiply
    19,334.72x = 29,005.84 × 8,241.28
  4. Step 4: Simplify right side
    19,334.72x = 239,045,249.08
  5. Step 5: Solve for x
    x = 239,045,249.08/19,334.72
  6. Step 6: Final answer
    x = 12,363.52

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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.