Home / 14,310.70-19,747.96-7,936.90

Finding the Fourth Proportional to 14,310.70, 19,747.96 and 7,936.90

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Solution

The fourth proportional to 14,310.70, 19,747.96 and 7,936.90 is: 10,952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.70 : 19,747.96 = 7,936.90 : x
  2. Step 2: Convert to fraction form
    14,310.70/19,747.96 = 7,936.90/x
  3. Step 3: Cross multiply
    14,310.70x = 19,747.96 × 7,936.90
  4. Step 4: Simplify right side
    14,310.70x = 156,737,514.51
  5. Step 5: Solve for x
    x = 156,737,514.51/14,310.70
  6. Step 6: Final answer
    x = 10,952.47

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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.