Home / 11,283.44-16,921.89-3,385.62

Finding the Fourth Proportional to 11,283.44, 16,921.89 and 3,385.62

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Solution

The fourth proportional to 11,283.44, 16,921.89 and 3,385.62 is: 5,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.44 : 16,921.89 = 3,385.62 : x
  2. Step 2: Convert to fraction form
    11,283.44/16,921.89 = 3,385.62/x
  3. Step 3: Cross multiply
    11,283.44x = 16,921.89 × 3,385.62
  4. Step 4: Simplify right side
    11,283.44x = 57,291,089.22
  5. Step 5: Solve for x
    x = 57,291,089.22/11,283.44
  6. Step 6: Final answer
    x = 5,077.45

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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.