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Finding the Fourth Proportional to 14,078.73, 21,094.73 and 9,910.02

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Solution

The fourth proportional to 14,078.73, 21,094.73 and 9,910.02 is: 14,848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.73 : 21,094.73 = 9,910.02 : x
  2. Step 2: Convert to fraction form
    14,078.73/21,094.73 = 9,910.02/x
  3. Step 3: Cross multiply
    14,078.73x = 21,094.73 × 9,910.02
  4. Step 4: Simplify right side
    14,078.73x = 209,049,196.19
  5. Step 5: Solve for x
    x = 209,049,196.19/14,078.73
  6. Step 6: Final answer
    x = 14,848.58

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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.