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Finding the Fourth Proportional to 14,962, 20,647.62 and 8,247.99

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Solution

The fourth proportional to 14,962, 20,647.62 and 8,247.99 is: 11,382.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962 : 20,647.62 = 8,247.99 : x
  2. Step 2: Convert to fraction form
    14,962/20,647.62 = 8,247.99/x
  3. Step 3: Cross multiply
    14,962x = 20,647.62 × 8,247.99
  4. Step 4: Simplify right side
    14,962x = 170,301,363.28
  5. Step 5: Solve for x
    x = 170,301,363.28/14,962
  6. Step 6: Final answer
    x = 11,382.26

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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.