Home / 10,184.61-15,275.45-2,789.51

Finding the Fourth Proportional to 10,184.61, 15,275.45 and 2,789.51

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Solution

The fourth proportional to 10,184.61, 15,275.45 and 2,789.51 is: 4,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,184.61 : 15,275.45 = 2,789.51 : x
  2. Step 2: Convert to fraction form
    10,184.61/15,275.45 = 2,789.51/x
  3. Step 3: Cross multiply
    10,184.61x = 15,275.45 × 2,789.51
  4. Step 4: Simplify right side
    10,184.61x = 42,610,930.20
  5. Step 5: Solve for x
    x = 42,610,930.20/10,184.61
  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.