Home / 20,144.58-27,800.91-11,648.22

Finding the Fourth Proportional to 20,144.58, 27,800.91 and 11,648.22

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Solution

The fourth proportional to 20,144.58, 27,800.91 and 11,648.22 is: 16,075.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144.58 : 27,800.91 = 11,648.22 : x
  2. Step 2: Convert to fraction form
    20,144.58/27,800.91 = 11,648.22/x
  3. Step 3: Cross multiply
    20,144.58x = 27,800.91 × 11,648.22
  4. Step 4: Simplify right side
    20,144.58x = 323,831,115.88
  5. Step 5: Solve for x
    x = 323,831,115.88/20,144.58
  6. Step 6: Final answer
    x = 16,075.35

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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.