Home / 11,760.47-17,639.19-2,994.86

Finding the Fourth Proportional to 11,760.47, 17,639.19 and 2,994.86

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Solution

The fourth proportional to 11,760.47, 17,639.19 and 2,994.86 is: 4,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.47 : 17,639.19 = 2,994.86 : x
  2. Step 2: Convert to fraction form
    11,760.47/17,639.19 = 2,994.86/x
  3. Step 3: Cross multiply
    11,760.47x = 17,639.19 × 2,994.86
  4. Step 4: Simplify right side
    11,760.47x = 52,826,904.56
  5. Step 5: Solve for x
    x = 52,826,904.56/11,760.47
  6. Step 6: Final answer
    x = 4,491.90

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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.