Home / 10,320.99-15,481.53-2,529.81

Finding the Fourth Proportional to 10,320.99, 15,481.53 and 2,529.81

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Solution

The fourth proportional to 10,320.99, 15,481.53 and 2,529.81 is: 3,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.99 : 15,481.53 = 2,529.81 : x
  2. Step 2: Convert to fraction form
    10,320.99/15,481.53 = 2,529.81/x
  3. Step 3: Cross multiply
    10,320.99x = 15,481.53 × 2,529.81
  4. Step 4: Simplify right side
    10,320.99x = 39,165,329.41
  5. Step 5: Solve for x
    x = 39,165,329.41/10,320.99
  6. Step 6: Final answer
    x = 3,794.73

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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.