Home / 11,280.36-16,944.84-6,900.42

Finding the Fourth Proportional to 11,280.36, 16,944.84 and 6,900.42

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Solution

The fourth proportional to 11,280.36, 16,944.84 and 6,900.42 is: 10,365.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.36 : 16,944.84 = 6,900.42 : x
  2. Step 2: Convert to fraction form
    11,280.36/16,944.84 = 6,900.42/x
  3. Step 3: Cross multiply
    11,280.36x = 16,944.84 × 6,900.42
  4. Step 4: Simplify right side
    11,280.36x = 116,926,512.83
  5. Step 5: Solve for x
    x = 116,926,512.83/11,280.36
  6. Step 6: Final answer
    x = 10,365.49

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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.