Home / 19,917.68-29,873.07-7,436.39

Finding the Fourth Proportional to 19,917.68, 29,873.07 and 7,436.39

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Solution

The fourth proportional to 19,917.68, 29,873.07 and 7,436.39 is: 11,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.68 : 29,873.07 = 7,436.39 : x
  2. Step 2: Convert to fraction form
    19,917.68/29,873.07 = 7,436.39/x
  3. Step 3: Cross multiply
    19,917.68x = 29,873.07 × 7,436.39
  4. Step 4: Simplify right side
    19,917.68x = 222,147,649.65
  5. Step 5: Solve for x
    x = 222,147,649.65/19,917.68
  6. Step 6: Final answer
    x = 11,153.29

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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.