Home / 14,286.38-19,717.02-8,318.43

Finding the Fourth Proportional to 14,286.38, 19,717.02 and 8,318.43

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Solution

The fourth proportional to 14,286.38, 19,717.02 and 8,318.43 is: 11,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.38 : 19,717.02 = 8,318.43 : x
  2. Step 2: Convert to fraction form
    14,286.38/19,717.02 = 8,318.43/x
  3. Step 3: Cross multiply
    14,286.38x = 19,717.02 × 8,318.43
  4. Step 4: Simplify right side
    14,286.38x = 164,014,650.68
  5. Step 5: Solve for x
    x = 164,014,650.68/14,286.38
  6. Step 6: Final answer
    x = 11,480.49

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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.