Home / 12,618.46-17,414.25-6,953.21

Finding the Fourth Proportional to 12,618.46, 17,414.25 and 6,953.21

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Solution

The fourth proportional to 12,618.46, 17,414.25 and 6,953.21 is: 9,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618.46 : 17,414.25 = 6,953.21 : x
  2. Step 2: Convert to fraction form
    12,618.46/17,414.25 = 6,953.21/x
  3. Step 3: Cross multiply
    12,618.46x = 17,414.25 × 6,953.21
  4. Step 4: Simplify right side
    12,618.46x = 121,085,026.47
  5. Step 5: Solve for x
    x = 121,085,026.47/12,618.46
  6. Step 6: Final answer
    x = 9,595.86

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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.