Home / 11,219.84-16,857.60-7,273.60

Finding the Fourth Proportional to 11,219.84, 16,857.60 and 7,273.60

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Solution

The fourth proportional to 11,219.84, 16,857.60 and 7,273.60 is: 10,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.84 : 16,857.60 = 7,273.60 : x
  2. Step 2: Convert to fraction form
    11,219.84/16,857.60 = 7,273.60/x
  3. Step 3: Cross multiply
    11,219.84x = 16,857.60 × 7,273.60
  4. Step 4: Simplify right side
    11,219.84x = 122,615,439.36
  5. Step 5: Solve for x
    x = 122,615,439.36/11,219.84
  6. Step 6: Final answer
    x = 10,928.45

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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.