Home / 11,670.36-17,505.30-2,905.35

Finding the Fourth Proportional to 11,670.36, 17,505.30 and 2,905.35

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Solution

The fourth proportional to 11,670.36, 17,505.30 and 2,905.35 is: 4,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.36 : 17,505.30 = 2,905.35 : x
  2. Step 2: Convert to fraction form
    11,670.36/17,505.30 = 2,905.35/x
  3. Step 3: Cross multiply
    11,670.36x = 17,505.30 × 2,905.35
  4. Step 4: Simplify right side
    11,670.36x = 50,859,023.36
  5. Step 5: Solve for x
    x = 50,859,023.36/11,670.36
  6. Step 6: Final answer
    x = 4,357.97

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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.