Home / 19,942.35-29,904.41-7,453.22

Finding the Fourth Proportional to 19,942.35, 29,904.41 and 7,453.22

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Solution

The fourth proportional to 19,942.35, 29,904.41 and 7,453.22 is: 11,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.35 : 29,904.41 = 7,453.22 : x
  2. Step 2: Convert to fraction form
    19,942.35/29,904.41 = 7,453.22/x
  3. Step 3: Cross multiply
    19,942.35x = 29,904.41 × 7,453.22
  4. Step 4: Simplify right side
    19,942.35x = 222,883,959.91
  5. Step 5: Solve for x
    x = 222,883,959.91/19,942.35
  6. Step 6: Final answer
    x = 11,176.41

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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.