Home / 13,604.83-18,770.43-8,297.71

Finding the Fourth Proportional to 13,604.83, 18,770.43 and 8,297.71

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Solution

The fourth proportional to 13,604.83, 18,770.43 and 8,297.71 is: 11,448.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.83 : 18,770.43 = 8,297.71 : x
  2. Step 2: Convert to fraction form
    13,604.83/18,770.43 = 8,297.71/x
  3. Step 3: Cross multiply
    13,604.83x = 18,770.43 × 8,297.71
  4. Step 4: Simplify right side
    13,604.83x = 155,751,568.91
  5. Step 5: Solve for x
    x = 155,751,568.91/13,604.83
  6. Step 6: Final answer
    x = 11,448.26

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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.