Home / 12,414.06-17,124.51-8,165.81

Finding the Fourth Proportional to 12,414.06, 17,124.51 and 8,165.81

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Solution

The fourth proportional to 12,414.06, 17,124.51 and 8,165.81 is: 11,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.06 : 17,124.51 = 8,165.81 : x
  2. Step 2: Convert to fraction form
    12,414.06/17,124.51 = 8,165.81/x
  3. Step 3: Cross multiply
    12,414.06x = 17,124.51 × 8,165.81
  4. Step 4: Simplify right side
    12,414.06x = 139,835,568.44
  5. Step 5: Solve for x
    x = 139,835,568.44/12,414.06
  6. Step 6: Final answer
    x = 11,264.29

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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.