Home / 18,163.42-25,066.59-13,679.26

Finding the Fourth Proportional to 18,163.42, 25,066.59 and 13,679.26

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Solution

The fourth proportional to 18,163.42, 25,066.59 and 13,679.26 is: 18,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.42 : 25,066.59 = 13,679.26 : x
  2. Step 2: Convert to fraction form
    18,163.42/25,066.59 = 13,679.26/x
  3. Step 3: Cross multiply
    18,163.42x = 25,066.59 × 13,679.26
  4. Step 4: Simplify right side
    18,163.42x = 342,892,401.92
  5. Step 5: Solve for x
    x = 342,892,401.92/18,163.42
  6. Step 6: Final answer
    x = 18,878.18

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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.