Home / 19,629-29,456.46-9,241.56

Finding the Fourth Proportional to 19,629, 29,456.46 and 9,241.56

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Solution

The fourth proportional to 19,629, 29,456.46 and 9,241.56 is: 13,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629 : 29,456.46 = 9,241.56 : x
  2. Step 2: Convert to fraction form
    19,629/29,456.46 = 9,241.56/x
  3. Step 3: Cross multiply
    19,629x = 29,456.46 × 9,241.56
  4. Step 4: Simplify right side
    19,629x = 272,223,642.48
  5. Step 5: Solve for x
    x = 272,223,642.48/19,629
  6. Step 6: Final answer
    x = 13,868.44

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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.