Home / 19,452.75-29,132.37-11,107.47

Finding the Fourth Proportional to 19,452.75, 29,132.37 and 11,107.47

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Solution

The fourth proportional to 19,452.75, 29,132.37 and 11,107.47 is: 16,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,452.75 : 29,132.37 = 11,107.47 : x
  2. Step 2: Convert to fraction form
    19,452.75/29,132.37 = 11,107.47/x
  3. Step 3: Cross multiply
    19,452.75x = 29,132.37 × 11,107.47
  4. Step 4: Simplify right side
    19,452.75x = 323,586,925.80
  5. Step 5: Solve for x
    x = 323,586,925.80/19,452.75
  6. Step 6: Final answer
    x = 16,634.51

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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.