Home / 18,163.39-25,079.48-14,642.32

Finding the Fourth Proportional to 18,163.39, 25,079.48 and 14,642.32

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Solution

The fourth proportional to 18,163.39, 25,079.48 and 14,642.32 is: 20,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.39 : 25,079.48 = 14,642.32 : x
  2. Step 2: Convert to fraction form
    18,163.39/25,079.48 = 14,642.32/x
  3. Step 3: Cross multiply
    18,163.39x = 25,079.48 × 14,642.32
  4. Step 4: Simplify right side
    18,163.39x = 367,221,771.59
  5. Step 5: Solve for x
    x = 367,221,771.59/18,163.39
  6. Step 6: Final answer
    x = 20,217.69

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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.