Home / 12,717.93-19,079.04-3,951.12

Finding the Fourth Proportional to 12,717.93, 19,079.04 and 3,951.12

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Solution

The fourth proportional to 12,717.93, 19,079.04 and 3,951.12 is: 5,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.93 : 19,079.04 = 3,951.12 : x
  2. Step 2: Convert to fraction form
    12,717.93/19,079.04 = 3,951.12/x
  3. Step 3: Cross multiply
    12,717.93x = 19,079.04 × 3,951.12
  4. Step 4: Simplify right side
    12,717.93x = 75,383,576.52
  5. Step 5: Solve for x
    x = 75,383,576.52/12,717.93
  6. Step 6: Final answer
    x = 5,927.35

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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.