Home / 11,178.06-16,769.69-3,280.26

Finding the Fourth Proportional to 11,178.06, 16,769.69 and 3,280.26

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Solution

The fourth proportional to 11,178.06, 16,769.69 and 3,280.26 is: 4,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.06 : 16,769.69 = 3,280.26 : x
  2. Step 2: Convert to fraction form
    11,178.06/16,769.69 = 3,280.26/x
  3. Step 3: Cross multiply
    11,178.06x = 16,769.69 × 3,280.26
  4. Step 4: Simplify right side
    11,178.06x = 55,008,943.32
  5. Step 5: Solve for x
    x = 55,008,943.32/11,178.06
  6. Step 6: Final answer
    x = 4,921.15

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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.