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Finding the Fourth Proportional to 11,049.98, 15,249 and 6,014.20

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Solution

The fourth proportional to 11,049.98, 15,249 and 6,014.20 is: 8,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,049.98 : 15,249 = 6,014.20 : x
  2. Step 2: Convert to fraction form
    11,049.98/15,249 = 6,014.20/x
  3. Step 3: Cross multiply
    11,049.98x = 15,249 × 6,014.20
  4. Step 4: Simplify right side
    11,049.98x = 91,710,459.56
  5. Step 5: Solve for x
    x = 91,710,459.56/11,049.98
  6. Step 6: Final answer
    x = 8,299.60

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Double scale
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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.