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Finding the Fourth Proportional to 64,914, 97,371 and 15,666

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Solution

The fourth proportional to 64,914, 97,371 and 15,666 is: 23,499

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,914 : 97,371 = 15,666 : x
  2. Step 2: Convert to fraction form
    64,914/97,371 = 15,666/x
  3. Step 3: Cross multiply
    64,914x = 97,371 × 15,666
  4. Step 4: Simplify right side
    64,914x = 1,525,414,086
  5. Step 5: Solve for x
    x = 1,525,414,086/64,914
  6. Step 6: Final answer
    x = 23,499

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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.