Home / 13,814.39-19,066.34-8,148.80

Finding the Fourth Proportional to 13,814.39, 19,066.34 and 8,148.80

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Solution

The fourth proportional to 13,814.39, 19,066.34 and 8,148.80 is: 11,246.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.39 : 19,066.34 = 8,148.80 : x
  2. Step 2: Convert to fraction form
    13,814.39/19,066.34 = 8,148.80/x
  3. Step 3: Cross multiply
    13,814.39x = 19,066.34 × 8,148.80
  4. Step 4: Simplify right side
    13,814.39x = 155,367,716.43
  5. Step 5: Solve for x
    x = 155,367,716.43/13,814.39
  6. Step 6: Final answer
    x = 11,246.81

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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.