Home / 17,108.66-25,654.79-8,784.39

Finding the Fourth Proportional to 17,108.66, 25,654.79 and 8,784.39

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Solution

The fourth proportional to 17,108.66, 25,654.79 and 8,784.39 is: 13,172.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.66 : 25,654.79 = 8,784.39 : x
  2. Step 2: Convert to fraction form
    17,108.66/25,654.79 = 8,784.39/x
  3. Step 3: Cross multiply
    17,108.66x = 25,654.79 × 8,784.39
  4. Step 4: Simplify right side
    17,108.66x = 225,361,798.89
  5. Step 5: Solve for x
    x = 225,361,798.89/17,108.66
  6. Step 6: Final answer
    x = 13,172.38

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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.