Home / 12,757.78-19,125.33-4,964.77

Finding the Fourth Proportional to 12,757.78, 19,125.33 and 4,964.77

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Solution

The fourth proportional to 12,757.78, 19,125.33 and 4,964.77 is: 7,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757.78 : 19,125.33 = 4,964.77 : x
  2. Step 2: Convert to fraction form
    12,757.78/19,125.33 = 4,964.77/x
  3. Step 3: Cross multiply
    12,757.78x = 19,125.33 × 4,964.77
  4. Step 4: Simplify right side
    12,757.78x = 94,952,864.62
  5. Step 5: Solve for x
    x = 94,952,864.62/12,757.78
  6. Step 6: Final answer
    x = 7,442.74

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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.