Home / 15,414.15-23,121.21-4,322.47

Finding the Fourth Proportional to 15,414.15, 23,121.21 and 4,322.47

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Solution

The fourth proportional to 15,414.15, 23,121.21 and 4,322.47 is: 6,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414.15 : 23,121.21 = 4,322.47 : x
  2. Step 2: Convert to fraction form
    15,414.15/23,121.21 = 4,322.47/x
  3. Step 3: Cross multiply
    15,414.15x = 23,121.21 × 4,322.47
  4. Step 4: Simplify right side
    15,414.15x = 99,940,736.59
  5. Step 5: Solve for x
    x = 99,940,736.59/15,414.15
  6. Step 6: Final answer
    x = 6,483.70

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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.