Home / 12,024.24-18,039.68-5,007.54

Finding the Fourth Proportional to 12,024.24, 18,039.68 and 5,007.54

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Solution

The fourth proportional to 12,024.24, 18,039.68 and 5,007.54 is: 7,512.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024.24 : 18,039.68 = 5,007.54 : x
  2. Step 2: Convert to fraction form
    12,024.24/18,039.68 = 5,007.54/x
  3. Step 3: Cross multiply
    12,024.24x = 18,039.68 × 5,007.54
  4. Step 4: Simplify right side
    12,024.24x = 90,334,480.58
  5. Step 5: Solve for x
    x = 90,334,480.58/12,024.24
  6. Step 6: Final answer
    x = 7,512.70

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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.