Home / 17,391.88-26,087.82-12,373.12

Finding the Fourth Proportional to 17,391.88, 26,087.82 and 12,373.12

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Solution

The fourth proportional to 17,391.88, 26,087.82 and 12,373.12 is: 18,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.88 : 26,087.82 = 12,373.12 : x
  2. Step 2: Convert to fraction form
    17,391.88/26,087.82 = 12,373.12/x
  3. Step 3: Cross multiply
    17,391.88x = 26,087.82 × 12,373.12
  4. Step 4: Simplify right side
    17,391.88x = 322,787,727.40
  5. Step 5: Solve for x
    x = 322,787,727.40/17,391.88
  6. Step 6: Final answer
    x = 18,559.68

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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.