Home / 12,772.92-19,160.64-4,005.48

Finding the Fourth Proportional to 12,772.92, 19,160.64 and 4,005.48

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Solution

The fourth proportional to 12,772.92, 19,160.64 and 4,005.48 is: 6,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772.92 : 19,160.64 = 4,005.48 : x
  2. Step 2: Convert to fraction form
    12,772.92/19,160.64 = 4,005.48/x
  3. Step 3: Cross multiply
    12,772.92x = 19,160.64 × 4,005.48
  4. Step 4: Simplify right side
    12,772.92x = 76,747,560.31
  5. Step 5: Solve for x
    x = 76,747,560.31/12,772.92
  6. Step 6: Final answer
    x = 6,008.62

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1.5x scale

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.