Home / 11,670.43-17,505.65-2,905.35

Finding the Fourth Proportional to 11,670.43, 17,505.65 and 2,905.35

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Solution

The fourth proportional to 11,670.43, 17,505.65 and 2,905.35 is: 4,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.43 : 17,505.65 = 2,905.35 : x
  2. Step 2: Convert to fraction form
    11,670.43/17,505.65 = 2,905.35/x
  3. Step 3: Cross multiply
    11,670.43x = 17,505.65 × 2,905.35
  4. Step 4: Simplify right side
    11,670.43x = 50,860,040.23
  5. Step 5: Solve for x
    x = 50,860,040.23/11,670.43
  6. Step 6: Final answer
    x = 4,358.03

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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.