Home / 14,286.49-19,716.54-8,317.80

Finding the Fourth Proportional to 14,286.49, 19,716.54 and 8,317.80

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Solution

The fourth proportional to 14,286.49, 19,716.54 and 8,317.80 is: 11,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.49 : 19,716.54 = 8,317.80 : x
  2. Step 2: Convert to fraction form
    14,286.49/19,716.54 = 8,317.80/x
  3. Step 3: Cross multiply
    14,286.49x = 19,716.54 × 8,317.80
  4. Step 4: Simplify right side
    14,286.49x = 163,998,236.41
  5. Step 5: Solve for x
    x = 163,998,236.41/14,286.49
  6. Step 6: Final answer
    x = 11,479.26

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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.