Home / 13,414.32-20,100.94-7,175.22

Finding the Fourth Proportional to 13,414.32, 20,100.94 and 7,175.22

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Solution

The fourth proportional to 13,414.32, 20,100.94 and 7,175.22 is: 10,751.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.32 : 20,100.94 = 7,175.22 : x
  2. Step 2: Convert to fraction form
    13,414.32/20,100.94 = 7,175.22/x
  3. Step 3: Cross multiply
    13,414.32x = 20,100.94 × 7,175.22
  4. Step 4: Simplify right side
    13,414.32x = 144,228,666.71
  5. Step 5: Solve for x
    x = 144,228,666.71/13,414.32
  6. Step 6: Final answer
    x = 10,751.84

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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.