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Finding the Fourth Proportional to 9,914.99, 14,872.55 and 3,341.16

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Solution

The fourth proportional to 9,914.99, 14,872.55 and 3,341.16 is: 5,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.99 : 14,872.55 = 3,341.16 : x
  2. Step 2: Convert to fraction form
    9,914.99/14,872.55 = 3,341.16/x
  3. Step 3: Cross multiply
    9,914.99x = 14,872.55 × 3,341.16
  4. Step 4: Simplify right side
    9,914.99x = 49,691,552.45
  5. Step 5: Solve for x
    x = 49,691,552.45/9,914.99
  6. Step 6: Final answer
    x = 5,011.76

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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.