Home / 8,145.91-12,195.07-5,016.52

Finding the Fourth Proportional to 8,145.91, 12,195.07 and 5,016.52

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Solution

The fourth proportional to 8,145.91, 12,195.07 and 5,016.52 is: 7,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.91 : 12,195.07 = 5,016.52 : x
  2. Step 2: Convert to fraction form
    8,145.91/12,195.07 = 5,016.52/x
  3. Step 3: Cross multiply
    8,145.91x = 12,195.07 × 5,016.52
  4. Step 4: Simplify right side
    8,145.91x = 61,176,812.56
  5. Step 5: Solve for x
    x = 61,176,812.56/8,145.91
  6. Step 6: Final answer
    x = 7,510.13

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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.