Home / 11,423.10-17,109.84-11,144.31

Finding the Fourth Proportional to 11,423.10, 17,109.84 and 11,144.31

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Solution

The fourth proportional to 11,423.10, 17,109.84 and 11,144.31 is: 16,692.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.10 : 17,109.84 = 11,144.31 : x
  2. Step 2: Convert to fraction form
    11,423.10/17,109.84 = 11,144.31/x
  3. Step 3: Cross multiply
    11,423.10x = 17,109.84 × 11,144.31
  4. Step 4: Simplify right side
    11,423.10x = 190,677,361.01
  5. Step 5: Solve for x
    x = 190,677,361.01/11,423.10
  6. Step 6: Final answer
    x = 16,692.26

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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.