Home / 12,622.50-18,933.75-4,831.31

Finding the Fourth Proportional to 12,622.50, 18,933.75 and 4,831.31

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Solution

The fourth proportional to 12,622.50, 18,933.75 and 4,831.31 is: 7,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.50 : 18,933.75 = 4,831.31 : x
  2. Step 2: Convert to fraction form
    12,622.50/18,933.75 = 4,831.31/x
  3. Step 3: Cross multiply
    12,622.50x = 18,933.75 × 4,831.31
  4. Step 4: Simplify right side
    12,622.50x = 91,474,863.05
  5. Step 5: Solve for x
    x = 91,474,863.05/12,622.50
  6. Step 6: Final answer
    x = 7,246.97

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Similar ratio
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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.