Home / 13,081.05-19,622.10-6,836.85

Finding the Fourth Proportional to 13,081.05, 19,622.10 and 6,836.85

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Solution

The fourth proportional to 13,081.05, 19,622.10 and 6,836.85 is: 10,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.05 : 19,622.10 = 6,836.85 : x
  2. Step 2: Convert to fraction form
    13,081.05/19,622.10 = 6,836.85/x
  3. Step 3: Cross multiply
    13,081.05x = 19,622.10 × 6,836.85
  4. Step 4: Simplify right side
    13,081.05x = 134,153,354.39
  5. Step 5: Solve for x
    x = 134,153,354.39/13,081.05
  6. Step 6: Final answer
    x = 10,255.55

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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.