Home / 13,169.43-18,175.49-7,506.22

Finding the Fourth Proportional to 13,169.43, 18,175.49 and 7,506.22

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Solution

The fourth proportional to 13,169.43, 18,175.49 and 7,506.22 is: 10,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.43 : 18,175.49 = 7,506.22 : x
  2. Step 2: Convert to fraction form
    13,169.43/18,175.49 = 7,506.22/x
  3. Step 3: Cross multiply
    13,169.43x = 18,175.49 × 7,506.22
  4. Step 4: Simplify right side
    13,169.43x = 136,429,226.55
  5. Step 5: Solve for x
    x = 136,429,226.55/13,169.43
  6. Step 6: Final answer
    x = 10,359.54

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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.