Home / 10,550.69-15,823.68-3,154.19

Finding the Fourth Proportional to 10,550.69, 15,823.68 and 3,154.19

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Solution

The fourth proportional to 10,550.69, 15,823.68 and 3,154.19 is: 4,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.69 : 15,823.68 = 3,154.19 : x
  2. Step 2: Convert to fraction form
    10,550.69/15,823.68 = 3,154.19/x
  3. Step 3: Cross multiply
    10,550.69x = 15,823.68 × 3,154.19
  4. Step 4: Simplify right side
    10,550.69x = 49,910,932.78
  5. Step 5: Solve for x
    x = 49,910,932.78/10,550.69
  6. Step 6: Final answer
    x = 4,730.58

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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.