Home / 16,677.82-23,015.96-9,508.78

Finding the Fourth Proportional to 16,677.82, 23,015.96 and 9,508.78

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Solution

The fourth proportional to 16,677.82, 23,015.96 and 9,508.78 is: 13,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,677.82 : 23,015.96 = 9,508.78 : x
  2. Step 2: Convert to fraction form
    16,677.82/23,015.96 = 9,508.78/x
  3. Step 3: Cross multiply
    16,677.82x = 23,015.96 × 9,508.78
  4. Step 4: Simplify right side
    16,677.82x = 218,853,666.36
  5. Step 5: Solve for x
    x = 218,853,666.36/16,677.82
  6. Step 6: Final answer
    x = 13,122.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.