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Finding the Fourth Proportional to 8,346.66, 12,519.99 and 6,695.07

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Solution

The fourth proportional to 8,346.66, 12,519.99 and 6,695.07 is: 10,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.66 : 12,519.99 = 6,695.07 : x
  2. Step 2: Convert to fraction form
    8,346.66/12,519.99 = 6,695.07/x
  3. Step 3: Cross multiply
    8,346.66x = 12,519.99 × 6,695.07
  4. Step 4: Simplify right side
    8,346.66x = 83,822,209.45
  5. Step 5: Solve for x
    x = 83,822,209.45/8,346.66
  6. Step 6: Final answer
    x = 10,042.61

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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.