Home / 12,858.57-19,265.82-8,633.91

Finding the Fourth Proportional to 12,858.57, 19,265.82 and 8,633.91

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Solution

The fourth proportional to 12,858.57, 19,265.82 and 8,633.91 is: 12,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858.57 : 19,265.82 = 8,633.91 : x
  2. Step 2: Convert to fraction form
    12,858.57/19,265.82 = 8,633.91/x
  3. Step 3: Cross multiply
    12,858.57x = 19,265.82 × 8,633.91
  4. Step 4: Simplify right side
    12,858.57x = 166,339,355.96
  5. Step 5: Solve for x
    x = 166,339,355.96/12,858.57
  6. Step 6: Final answer
    x = 12,936.07

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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.