Home / 8,160.24-12,240.36-6,717.36

Finding the Fourth Proportional to 8,160.24, 12,240.36 and 6,717.36

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Solution

The fourth proportional to 8,160.24, 12,240.36 and 6,717.36 is: 10,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.24 : 12,240.36 = 6,717.36 : x
  2. Step 2: Convert to fraction form
    8,160.24/12,240.36 = 6,717.36/x
  3. Step 3: Cross multiply
    8,160.24x = 12,240.36 × 6,717.36
  4. Step 4: Simplify right side
    8,160.24x = 82,222,904.65
  5. Step 5: Solve for x
    x = 82,222,904.65/8,160.24
  6. Step 6: Final answer
    x = 10,076.04

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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.