Home / 12,851.25-19,278.41-4,529.54

Finding the Fourth Proportional to 12,851.25, 19,278.41 and 4,529.54

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Solution

The fourth proportional to 12,851.25, 19,278.41 and 4,529.54 is: 6,794.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,851.25 : 19,278.41 = 4,529.54 : x
  2. Step 2: Convert to fraction form
    12,851.25/19,278.41 = 4,529.54/x
  3. Step 3: Cross multiply
    12,851.25x = 19,278.41 × 4,529.54
  4. Step 4: Simplify right side
    12,851.25x = 87,322,210.19
  5. Step 5: Solve for x
    x = 87,322,210.19/12,851.25
  6. Step 6: Final answer
    x = 6,794.84

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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.