Home / 13,624.74-20,441.97-7,786.26

Finding the Fourth Proportional to 13,624.74, 20,441.97 and 7,786.26

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Solution

The fourth proportional to 13,624.74, 20,441.97 and 7,786.26 is: 11,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.74 : 20,441.97 = 7,786.26 : x
  2. Step 2: Convert to fraction form
    13,624.74/20,441.97 = 7,786.26/x
  3. Step 3: Cross multiply
    13,624.74x = 20,441.97 × 7,786.26
  4. Step 4: Simplify right side
    13,624.74x = 159,166,493.33
  5. Step 5: Solve for x
    x = 159,166,493.33/13,624.74
  6. Step 6: Final answer
    x = 11,682.17

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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.