Home / 11,153.28-16,755.84-6,539.52

Finding the Fourth Proportional to 11,153.28, 16,755.84 and 6,539.52

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Solution

The fourth proportional to 11,153.28, 16,755.84 and 6,539.52 is: 9,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.28 : 16,755.84 = 6,539.52 : x
  2. Step 2: Convert to fraction form
    11,153.28/16,755.84 = 6,539.52/x
  3. Step 3: Cross multiply
    11,153.28x = 16,755.84 × 6,539.52
  4. Step 4: Simplify right side
    11,153.28x = 109,575,150.80
  5. Step 5: Solve for x
    x = 109,575,150.80/11,153.28
  6. Step 6: Final answer
    x = 9,824.48

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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.