Home / 10,184.71-15,277.08-2,789.23

Finding the Fourth Proportional to 10,184.71, 15,277.08 and 2,789.23

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Solution

The fourth proportional to 10,184.71, 15,277.08 and 2,789.23 is: 4,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,184.71 : 15,277.08 = 2,789.23 : x
  2. Step 2: Convert to fraction form
    10,184.71/15,277.08 = 2,789.23/x
  3. Step 3: Cross multiply
    10,184.71x = 15,277.08 × 2,789.23
  4. Step 4: Simplify right side
    10,184.71x = 42,611,289.85
  5. Step 5: Solve for x
    x = 42,611,289.85/10,184.71
  6. Step 6: Final answer
    x = 4,183.85

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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.