Home / 11,128.36-16,693.08-9,177

Finding the Fourth Proportional to 11,128.36, 16,693.08 and 9,177

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Solution

The fourth proportional to 11,128.36, 16,693.08 and 9,177 is: 13,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.36 : 16,693.08 = 9,177 : x
  2. Step 2: Convert to fraction form
    11,128.36/16,693.08 = 9,177/x
  3. Step 3: Cross multiply
    11,128.36x = 16,693.08 × 9,177
  4. Step 4: Simplify right side
    11,128.36x = 153,192,395.16
  5. Step 5: Solve for x
    x = 153,192,395.16/11,128.36
  6. Step 6: Final answer
    x = 13,765.95

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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.