Home / 12,622.92-18,933.84-4,831.26

Finding the Fourth Proportional to 12,622.92, 18,933.84 and 4,831.26

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Solution

The fourth proportional to 12,622.92, 18,933.84 and 4,831.26 is: 7,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.92 : 18,933.84 = 4,831.26 : x
  2. Step 2: Convert to fraction form
    12,622.92/18,933.84 = 4,831.26/x
  3. Step 3: Cross multiply
    12,622.92x = 18,933.84 × 4,831.26
  4. Step 4: Simplify right side
    12,622.92x = 91,474,303.84
  5. Step 5: Solve for x
    x = 91,474,303.84/12,622.92
  6. Step 6: Final answer
    x = 7,246.68

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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.