Home / 13,774.83-20,616.36-10,469.44

Finding the Fourth Proportional to 13,774.83, 20,616.36 and 10,469.44

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Solution

The fourth proportional to 13,774.83, 20,616.36 and 10,469.44 is: 15,669.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.83 : 20,616.36 = 10,469.44 : x
  2. Step 2: Convert to fraction form
    13,774.83/20,616.36 = 10,469.44/x
  3. Step 3: Cross multiply
    13,774.83x = 20,616.36 × 10,469.44
  4. Step 4: Simplify right side
    13,774.83x = 215,841,744.04
  5. Step 5: Solve for x
    x = 215,841,744.04/13,774.83
  6. Step 6: Final answer
    x = 15,669.29

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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.