Home / 19,629.26-29,456.37-7,148.06

Finding the Fourth Proportional to 19,629.26, 29,456.37 and 7,148.06

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Solution

The fourth proportional to 19,629.26, 29,456.37 and 7,148.06 is: 10,726.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.26 : 29,456.37 = 7,148.06 : x
  2. Step 2: Convert to fraction form
    19,629.26/29,456.37 = 7,148.06/x
  3. Step 3: Cross multiply
    19,629.26x = 29,456.37 × 7,148.06
  4. Step 4: Simplify right side
    19,629.26x = 210,555,900.14
  5. Step 5: Solve for x
    x = 210,555,900.14/19,629.26
  6. Step 6: Final answer
    x = 10,726.63

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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.