Home / 12,976.92-19,465.54-3,743

Finding the Fourth Proportional to 12,976.92, 19,465.54 and 3,743

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Solution

The fourth proportional to 12,976.92, 19,465.54 and 3,743 is: 5,614.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976.92 : 19,465.54 = 3,743 : x
  2. Step 2: Convert to fraction form
    12,976.92/19,465.54 = 3,743/x
  3. Step 3: Cross multiply
    12,976.92x = 19,465.54 × 3,743
  4. Step 4: Simplify right side
    12,976.92x = 72,859,516.22
  5. Step 5: Solve for x
    x = 72,859,516.22/12,976.92
  6. Step 6: Final answer
    x = 5,614.55

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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.