Home / 11,109.60-16,660.35-4,443.30

Finding the Fourth Proportional to 11,109.60, 16,660.35 and 4,443.30

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Solution

The fourth proportional to 11,109.60, 16,660.35 and 4,443.30 is: 6,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.60 : 16,660.35 = 4,443.30 : x
  2. Step 2: Convert to fraction form
    11,109.60/16,660.35 = 4,443.30/x
  3. Step 3: Cross multiply
    11,109.60x = 16,660.35 × 4,443.30
  4. Step 4: Simplify right side
    11,109.60x = 74,026,933.16
  5. Step 5: Solve for x
    x = 74,026,933.16/11,109.60
  6. Step 6: Final answer
    x = 6,663.33

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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.