Home / 19,422.09-29,134.05-6,948.03

Finding the Fourth Proportional to 19,422.09, 29,134.05 and 6,948.03

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Solution

The fourth proportional to 19,422.09, 29,134.05 and 6,948.03 is: 10,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.09 : 29,134.05 = 6,948.03 : x
  2. Step 2: Convert to fraction form
    19,422.09/29,134.05 = 6,948.03/x
  3. Step 3: Cross multiply
    19,422.09x = 29,134.05 × 6,948.03
  4. Step 4: Simplify right side
    19,422.09x = 202,424,107.75
  5. Step 5: Solve for x
    x = 202,424,107.75/19,422.09
  6. Step 6: Final answer
    x = 10,422.36

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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.