Home / 13,194.32-19,786.68-3,831.80

Finding the Fourth Proportional to 13,194.32, 19,786.68 and 3,831.80

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Solution

The fourth proportional to 13,194.32, 19,786.68 and 3,831.80 is: 5,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.32 : 19,786.68 = 3,831.80 : x
  2. Step 2: Convert to fraction form
    13,194.32/19,786.68 = 3,831.80/x
  3. Step 3: Cross multiply
    13,194.32x = 19,786.68 × 3,831.80
  4. Step 4: Simplify right side
    13,194.32x = 75,818,501.49
  5. Step 5: Solve for x
    x = 75,818,501.49/13,194.32
  6. Step 6: Final answer
    x = 5,746.30

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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.