Home / 11,169.90-16,749.36-5,541.03

Finding the Fourth Proportional to 11,169.90, 16,749.36 and 5,541.03

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Solution

The fourth proportional to 11,169.90, 16,749.36 and 5,541.03 is: 8,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.90 : 16,749.36 = 5,541.03 : x
  2. Step 2: Convert to fraction form
    11,169.90/16,749.36 = 5,541.03/x
  3. Step 3: Cross multiply
    11,169.90x = 16,749.36 × 5,541.03
  4. Step 4: Simplify right side
    11,169.90x = 92,808,706.24
  5. Step 5: Solve for x
    x = 92,808,706.24/11,169.90
  6. Step 6: Final answer
    x = 8,308.82

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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.