Home / 12,552.24-18,831.56-3,787.92

Finding the Fourth Proportional to 12,552.24, 18,831.56 and 3,787.92

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Solution

The fourth proportional to 12,552.24, 18,831.56 and 3,787.92 is: 5,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.24 : 18,831.56 = 3,787.92 : x
  2. Step 2: Convert to fraction form
    12,552.24/18,831.56 = 3,787.92/x
  3. Step 3: Cross multiply
    12,552.24x = 18,831.56 × 3,787.92
  4. Step 4: Simplify right side
    12,552.24x = 71,332,442.76
  5. Step 5: Solve for x
    x = 71,332,442.76/12,552.24
  6. Step 6: Final answer
    x = 5,682.85

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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.