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Finding the Fourth Proportional to 11,334.98, 15,642.07 and 6,299.11

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Solution

The fourth proportional to 11,334.98, 15,642.07 and 6,299.11 is: 8,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.98 : 15,642.07 = 6,299.11 : x
  2. Step 2: Convert to fraction form
    11,334.98/15,642.07 = 6,299.11/x
  3. Step 3: Cross multiply
    11,334.98x = 15,642.07 × 6,299.11
  4. Step 4: Simplify right side
    11,334.98x = 98,531,119.56
  5. Step 5: Solve for x
    x = 98,531,119.56/11,334.98
  6. Step 6: Final answer
    x = 8,692.66

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1.5x scale

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.