Home / 13,081.50-19,623.60-4,194.64

Finding the Fourth Proportional to 13,081.50, 19,623.60 and 4,194.64

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Solution

The fourth proportional to 13,081.50, 19,623.60 and 4,194.64 is: 6,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.50 : 19,623.60 = 4,194.64 : x
  2. Step 2: Convert to fraction form
    13,081.50/19,623.60 = 4,194.64/x
  3. Step 3: Cross multiply
    13,081.50x = 19,623.60 × 4,194.64
  4. Step 4: Simplify right side
    13,081.50x = 82,313,937.50
  5. Step 5: Solve for x
    x = 82,313,937.50/13,081.50
  6. Step 6: Final answer
    x = 6,292.39

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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.