Home / 17,738.37-24,480.05-9,780.57

Finding the Fourth Proportional to 17,738.37, 24,480.05 and 9,780.57

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Solution

The fourth proportional to 17,738.37, 24,480.05 and 9,780.57 is: 13,497.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,738.37 : 24,480.05 = 9,780.57 : x
  2. Step 2: Convert to fraction form
    17,738.37/24,480.05 = 9,780.57/x
  3. Step 3: Cross multiply
    17,738.37x = 24,480.05 × 9,780.57
  4. Step 4: Simplify right side
    17,738.37x = 239,428,793.73
  5. Step 5: Solve for x
    x = 239,428,793.73/17,738.37
  6. Step 6: Final answer
    x = 13,497.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.