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Finding the Fourth Proportional to 17,101.99, 25,652.73 and 8,777.21

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Solution

The fourth proportional to 17,101.99, 25,652.73 and 8,777.21 is: 13,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,101.99 : 25,652.73 = 8,777.21 : x
  2. Step 2: Convert to fraction form
    17,101.99/25,652.73 = 8,777.21/x
  3. Step 3: Cross multiply
    17,101.99x = 25,652.73 × 8,777.21
  4. Step 4: Simplify right side
    17,101.99x = 225,159,398.28
  5. Step 5: Solve for x
    x = 225,159,398.28/17,101.99
  6. Step 6: Final answer
    x = 13,165.68

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1.5x scale

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.