Home / 11,160.63-16,743.38-4,918.59

Finding the Fourth Proportional to 11,160.63, 16,743.38 and 4,918.59

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Solution

The fourth proportional to 11,160.63, 16,743.38 and 4,918.59 is: 7,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.63 : 16,743.38 = 4,918.59 : x
  2. Step 2: Convert to fraction form
    11,160.63/16,743.38 = 4,918.59/x
  3. Step 3: Cross multiply
    11,160.63x = 16,743.38 × 4,918.59
  4. Step 4: Simplify right side
    11,160.63x = 82,353,796.84
  5. Step 5: Solve for x
    x = 82,353,796.84/11,160.63
  6. Step 6: Final answer
    x = 7,378.96

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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.