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Finding the Fourth Proportional to 14,887.53, 22,333.24 and 7,867.82

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Solution

The fourth proportional to 14,887.53, 22,333.24 and 7,867.82 is: 11,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.53 : 22,333.24 = 7,867.82 : x
  2. Step 2: Convert to fraction form
    14,887.53/22,333.24 = 7,867.82/x
  3. Step 3: Cross multiply
    14,887.53x = 22,333.24 × 7,867.82
  4. Step 4: Simplify right side
    14,887.53x = 175,713,885.62
  5. Step 5: Solve for x
    x = 175,713,885.62/14,887.53
  6. Step 6: Final answer
    x = 11,802.75

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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.