Home / 19,942.70-29,901.57-7,456.14

Finding the Fourth Proportional to 19,942.70, 29,901.57 and 7,456.14

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Solution

The fourth proportional to 19,942.70, 29,901.57 and 7,456.14 is: 11,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.70 : 29,901.57 = 7,456.14 : x
  2. Step 2: Convert to fraction form
    19,942.70/29,901.57 = 7,456.14/x
  3. Step 3: Cross multiply
    19,942.70x = 29,901.57 × 7,456.14
  4. Step 4: Simplify right side
    19,942.70x = 222,950,292.14
  5. Step 5: Solve for x
    x = 222,950,292.14/19,942.70
  6. Step 6: Final answer
    x = 11,179.55

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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.