Home / 8,469.07-12,694.23-6,382.30

Finding the Fourth Proportional to 8,469.07, 12,694.23 and 6,382.30

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Solution

The fourth proportional to 8,469.07, 12,694.23 and 6,382.30 is: 9,566.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.07 : 12,694.23 = 6,382.30 : x
  2. Step 2: Convert to fraction form
    8,469.07/12,694.23 = 6,382.30/x
  3. Step 3: Cross multiply
    8,469.07x = 12,694.23 × 6,382.30
  4. Step 4: Simplify right side
    8,469.07x = 81,018,384.13
  5. Step 5: Solve for x
    x = 81,018,384.13/8,469.07
  6. Step 6: Final answer
    x = 9,566.38

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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.