Home / 11,297.72-15,591.84-6,581.90

Finding the Fourth Proportional to 11,297.72, 15,591.84 and 6,581.90

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Solution

The fourth proportional to 11,297.72, 15,591.84 and 6,581.90 is: 9,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.72 : 15,591.84 = 6,581.90 : x
  2. Step 2: Convert to fraction form
    11,297.72/15,591.84 = 6,581.90/x
  3. Step 3: Cross multiply
    11,297.72x = 15,591.84 × 6,581.90
  4. Step 4: Simplify right side
    11,297.72x = 102,623,931.70
  5. Step 5: Solve for x
    x = 102,623,931.70/11,297.72
  6. Step 6: Final answer
    x = 9,083.60

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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.