Home / 10,230.59-15,345.83-2,631.87

Finding the Fourth Proportional to 10,230.59, 15,345.83 and 2,631.87

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Solution

The fourth proportional to 10,230.59, 15,345.83 and 2,631.87 is: 3,947.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.59 : 15,345.83 = 2,631.87 : x
  2. Step 2: Convert to fraction form
    10,230.59/15,345.83 = 2,631.87/x
  3. Step 3: Cross multiply
    10,230.59x = 15,345.83 × 2,631.87
  4. Step 4: Simplify right side
    10,230.59x = 40,388,216.44
  5. Step 5: Solve for x
    x = 40,388,216.44/10,230.59
  6. Step 6: Final answer
    x = 3,947.79

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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.