Home / 15,857.82-23,765.73-8,446.32

Finding the Fourth Proportional to 15,857.82, 23,765.73 and 8,446.32

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Solution

The fourth proportional to 15,857.82, 23,765.73 and 8,446.32 is: 12,658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.82 : 23,765.73 = 8,446.32 : x
  2. Step 2: Convert to fraction form
    15,857.82/23,765.73 = 8,446.32/x
  3. Step 3: Cross multiply
    15,857.82x = 23,765.73 × 8,446.32
  4. Step 4: Simplify right side
    15,857.82x = 200,732,960.61
  5. Step 5: Solve for x
    x = 200,732,960.61/15,857.82
  6. Step 6: Final answer
    x = 12,658.29

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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.