Home / 17,276.42-25,887.62-12,021.69

Finding the Fourth Proportional to 17,276.42, 25,887.62 and 12,021.69

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Solution

The fourth proportional to 17,276.42, 25,887.62 and 12,021.69 is: 18,013.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,276.42 : 25,887.62 = 12,021.69 : x
  2. Step 2: Convert to fraction form
    17,276.42/25,887.62 = 12,021.69/x
  3. Step 3: Cross multiply
    17,276.42x = 25,887.62 × 12,021.69
  4. Step 4: Simplify right side
    17,276.42x = 311,212,972.53
  5. Step 5: Solve for x
    x = 311,212,972.53/17,276.42
  6. Step 6: Final answer
    x = 18,013.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.