Home / 19,902.09-29,853.30-7,260.90

Finding the Fourth Proportional to 19,902.09, 29,853.30 and 7,260.90

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Solution

The fourth proportional to 19,902.09, 29,853.30 and 7,260.90 is: 10,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.09 : 29,853.30 = 7,260.90 : x
  2. Step 2: Convert to fraction form
    19,902.09/29,853.30 = 7,260.90/x
  3. Step 3: Cross multiply
    19,902.09x = 29,853.30 × 7,260.90
  4. Step 4: Simplify right side
    19,902.09x = 216,761,825.97
  5. Step 5: Solve for x
    x = 216,761,825.97/19,902.09
  6. Step 6: Final answer
    x = 10,891.41

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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.