Home / 15,763.70-23,645.55-13,229.30

Finding the Fourth Proportional to 15,763.70, 23,645.55 and 13,229.30

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Solution

The fourth proportional to 15,763.70, 23,645.55 and 13,229.30 is: 19,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,763.70 : 23,645.55 = 13,229.30 : x
  2. Step 2: Convert to fraction form
    15,763.70/23,645.55 = 13,229.30/x
  3. Step 3: Cross multiply
    15,763.70x = 23,645.55 × 13,229.30
  4. Step 4: Simplify right side
    15,763.70x = 312,814,074.62
  5. Step 5: Solve for x
    x = 312,814,074.62/15,763.70
  6. Step 6: Final answer
    x = 19,843.95

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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.