Home / 12,684.36-17,511.46-7,649.85

Finding the Fourth Proportional to 12,684.36, 17,511.46 and 7,649.85

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Solution

The fourth proportional to 12,684.36, 17,511.46 and 7,649.85 is: 10,561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684.36 : 17,511.46 = 7,649.85 : x
  2. Step 2: Convert to fraction form
    12,684.36/17,511.46 = 7,649.85/x
  3. Step 3: Cross multiply
    12,684.36x = 17,511.46 × 7,649.85
  4. Step 4: Simplify right side
    12,684.36x = 133,960,042.28
  5. Step 5: Solve for x
    x = 133,960,042.28/12,684.36
  6. Step 6: Final answer
    x = 10,561.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.