Home / 22,415.09-33,621.42-6,831.50

Finding the Fourth Proportional to 22,415.09, 33,621.42 and 6,831.50

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Solution

The fourth proportional to 22,415.09, 33,621.42 and 6,831.50 is: 10,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,415.09 : 33,621.42 = 6,831.50 : x
  2. Step 2: Convert to fraction form
    22,415.09/33,621.42 = 6,831.50/x
  3. Step 3: Cross multiply
    22,415.09x = 33,621.42 × 6,831.50
  4. Step 4: Simplify right side
    22,415.09x = 229,684,730.73
  5. Step 5: Solve for x
    x = 229,684,730.73/22,415.09
  6. Step 6: Final answer
    x = 10,246.88

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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.