Home / 17,619.39-24,336.18-12,831.75

Finding the Fourth Proportional to 17,619.39, 24,336.18 and 12,831.75

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Solution

The fourth proportional to 17,619.39, 24,336.18 and 12,831.75 is: 17,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.39 : 24,336.18 = 12,831.75 : x
  2. Step 2: Convert to fraction form
    17,619.39/24,336.18 = 12,831.75/x
  3. Step 3: Cross multiply
    17,619.39x = 24,336.18 × 12,831.75
  4. Step 4: Simplify right side
    17,619.39x = 312,275,777.72
  5. Step 5: Solve for x
    x = 312,275,777.72/17,619.39
  6. Step 6: Final answer
    x = 17,723.42

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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.