Home / 12,730.77-19,095.94-3,966.16

Finding the Fourth Proportional to 12,730.77, 19,095.94 and 3,966.16

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Solution

The fourth proportional to 12,730.77, 19,095.94 and 3,966.16 is: 5,949.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730.77 : 19,095.94 = 3,966.16 : x
  2. Step 2: Convert to fraction form
    12,730.77/19,095.94 = 3,966.16/x
  3. Step 3: Cross multiply
    12,730.77x = 19,095.94 × 3,966.16
  4. Step 4: Simplify right side
    12,730.77x = 75,737,553.39
  5. Step 5: Solve for x
    x = 75,737,553.39/12,730.77
  6. Step 6: Final answer
    x = 5,949.17

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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.