Home / 19,400.87-29,112.34-7,553.09

Finding the Fourth Proportional to 19,400.87, 29,112.34 and 7,553.09

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Solution

The fourth proportional to 19,400.87, 29,112.34 and 7,553.09 is: 11,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.87 : 29,112.34 = 7,553.09 : x
  2. Step 2: Convert to fraction form
    19,400.87/29,112.34 = 7,553.09/x
  3. Step 3: Cross multiply
    19,400.87x = 29,112.34 × 7,553.09
  4. Step 4: Simplify right side
    19,400.87x = 219,888,302.34
  5. Step 5: Solve for x
    x = 219,888,302.34/19,400.87
  6. Step 6: Final answer
    x = 11,333.94

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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.