Home / 13,537.35-20,256.81-11,175.39

Finding the Fourth Proportional to 13,537.35, 20,256.81 and 11,175.39

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Solution

The fourth proportional to 13,537.35, 20,256.81 and 11,175.39 is: 16,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.35 : 20,256.81 = 11,175.39 : x
  2. Step 2: Convert to fraction form
    13,537.35/20,256.81 = 11,175.39/x
  3. Step 3: Cross multiply
    13,537.35x = 20,256.81 × 11,175.39
  4. Step 4: Simplify right side
    13,537.35x = 226,377,751.91
  5. Step 5: Solve for x
    x = 226,377,751.91/13,537.35
  6. Step 6: Final answer
    x = 16,722.46

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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.