Home / 12,977.64-19,456.68-5,483.52

Finding the Fourth Proportional to 12,977.64, 19,456.68 and 5,483.52

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Solution

The fourth proportional to 12,977.64, 19,456.68 and 5,483.52 is: 8,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977.64 : 19,456.68 = 5,483.52 : x
  2. Step 2: Convert to fraction form
    12,977.64/19,456.68 = 5,483.52/x
  3. Step 3: Cross multiply
    12,977.64x = 19,456.68 × 5,483.52
  4. Step 4: Simplify right side
    12,977.64x = 106,691,093.91
  5. Step 5: Solve for x
    x = 106,691,093.91/12,977.64
  6. Step 6: Final answer
    x = 8,221.15

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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.