Home / 17,914.67-26,868.99-5,431.70

Finding the Fourth Proportional to 17,914.67, 26,868.99 and 5,431.70

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Solution

The fourth proportional to 17,914.67, 26,868.99 and 5,431.70 is: 8,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,914.67 : 26,868.99 = 5,431.70 : x
  2. Step 2: Convert to fraction form
    17,914.67/26,868.99 = 5,431.70/x
  3. Step 3: Cross multiply
    17,914.67x = 26,868.99 × 5,431.70
  4. Step 4: Simplify right side
    17,914.67x = 145,944,380.52
  5. Step 5: Solve for x
    x = 145,944,380.52/17,914.67
  6. Step 6: Final answer
    x = 8,146.64

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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.