Home / 13,910.41-19,196.36-7,622.65

Finding the Fourth Proportional to 13,910.41, 19,196.36 and 7,622.65

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Solution

The fourth proportional to 13,910.41, 19,196.36 and 7,622.65 is: 10,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.41 : 19,196.36 = 7,622.65 : x
  2. Step 2: Convert to fraction form
    13,910.41/19,196.36 = 7,622.65/x
  3. Step 3: Cross multiply
    13,910.41x = 19,196.36 × 7,622.65
  4. Step 4: Simplify right side
    13,910.41x = 146,327,104.62
  5. Step 5: Solve for x
    x = 146,327,104.62/13,910.41
  6. Step 6: Final answer
    x = 10,519.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.