Home / 16,942.82-23,380.79-9,772.70

Finding the Fourth Proportional to 16,942.82, 23,380.79 and 9,772.70

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Solution

The fourth proportional to 16,942.82, 23,380.79 and 9,772.70 is: 13,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.82 : 23,380.79 = 9,772.70 : x
  2. Step 2: Convert to fraction form
    16,942.82/23,380.79 = 9,772.70/x
  3. Step 3: Cross multiply
    16,942.82x = 23,380.79 × 9,772.70
  4. Step 4: Simplify right side
    16,942.82x = 228,493,280.67
  5. Step 5: Solve for x
    x = 228,493,280.67/16,942.82
  6. Step 6: Final answer
    x = 13,486.15

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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.