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Finding the Fourth Proportional to 10,777.68, 16,168.68 and 3,383.28

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Solution

The fourth proportional to 10,777.68, 16,168.68 and 3,383.28 is: 5,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.68 : 16,168.68 = 3,383.28 : x
  2. Step 2: Convert to fraction form
    10,777.68/16,168.68 = 3,383.28/x
  3. Step 3: Cross multiply
    10,777.68x = 16,168.68 × 3,383.28
  4. Step 4: Simplify right side
    10,777.68x = 54,703,171.67
  5. Step 5: Solve for x
    x = 54,703,171.67/10,777.68
  6. Step 6: Final answer
    x = 5,075.60

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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.