Home / 19,183.68-28,789.92-8,802.72

Finding the Fourth Proportional to 19,183.68, 28,789.92 and 8,802.72

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Solution

The fourth proportional to 19,183.68, 28,789.92 and 8,802.72 is: 13,210.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.68 : 28,789.92 = 8,802.72 : x
  2. Step 2: Convert to fraction form
    19,183.68/28,789.92 = 8,802.72/x
  3. Step 3: Cross multiply
    19,183.68x = 28,789.92 × 8,802.72
  4. Step 4: Simplify right side
    19,183.68x = 253,429,604.58
  5. Step 5: Solve for x
    x = 253,429,604.58/19,183.68
  6. Step 6: Final answer
    x = 13,210.69

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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.