Home / 9,169.49-13,712.20-6,831.11

Finding the Fourth Proportional to 9,169.49, 13,712.20 and 6,831.11

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Solution

The fourth proportional to 9,169.49, 13,712.20 and 6,831.11 is: 10,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.49 : 13,712.20 = 6,831.11 : x
  2. Step 2: Convert to fraction form
    9,169.49/13,712.20 = 6,831.11/x
  3. Step 3: Cross multiply
    9,169.49x = 13,712.20 × 6,831.11
  4. Step 4: Simplify right side
    9,169.49x = 93,669,546.54
  5. Step 5: Solve for x
    x = 93,669,546.54/9,169.49
  6. Step 6: Final answer
    x = 10,215.35

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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.