Home / 12,152.19-18,230.10-3,831.33

Finding the Fourth Proportional to 12,152.19, 18,230.10 and 3,831.33

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Solution

The fourth proportional to 12,152.19, 18,230.10 and 3,831.33 is: 5,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.19 : 18,230.10 = 3,831.33 : x
  2. Step 2: Convert to fraction form
    12,152.19/18,230.10 = 3,831.33/x
  3. Step 3: Cross multiply
    12,152.19x = 18,230.10 × 3,831.33
  4. Step 4: Simplify right side
    12,152.19x = 69,845,529.03
  5. Step 5: Solve for x
    x = 69,845,529.03/12,152.19
  6. Step 6: Final answer
    x = 5,747.57

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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.