Home / 19,685.43-29,531.34-9,825.03

Finding the Fourth Proportional to 19,685.43, 29,531.34 and 9,825.03

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Solution

The fourth proportional to 19,685.43, 29,531.34 and 9,825.03 is: 14,739.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.43 : 29,531.34 = 9,825.03 : x
  2. Step 2: Convert to fraction form
    19,685.43/29,531.34 = 9,825.03/x
  3. Step 3: Cross multiply
    19,685.43x = 29,531.34 × 9,825.03
  4. Step 4: Simplify right side
    19,685.43x = 290,146,301.44
  5. Step 5: Solve for x
    x = 290,146,301.44/19,685.43
  6. Step 6: Final answer
    x = 14,739.14

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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.