Home / 11,127.78-16,692.48-3,337.20

Finding the Fourth Proportional to 11,127.78, 16,692.48 and 3,337.20

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Solution

The fourth proportional to 11,127.78, 16,692.48 and 3,337.20 is: 5,006.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.78 : 16,692.48 = 3,337.20 : x
  2. Step 2: Convert to fraction form
    11,127.78/16,692.48 = 3,337.20/x
  3. Step 3: Cross multiply
    11,127.78x = 16,692.48 × 3,337.20
  4. Step 4: Simplify right side
    11,127.78x = 55,706,144.26
  5. Step 5: Solve for x
    x = 55,706,144.26/11,127.78
  6. Step 6: Final answer
    x = 5,006.04

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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.