Home / 13,945.09-20,917.59-6,549.52

Finding the Fourth Proportional to 13,945.09, 20,917.59 and 6,549.52

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Solution

The fourth proportional to 13,945.09, 20,917.59 and 6,549.52 is: 9,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.09 : 20,917.59 = 6,549.52 : x
  2. Step 2: Convert to fraction form
    13,945.09/20,917.59 = 6,549.52/x
  3. Step 3: Cross multiply
    13,945.09x = 20,917.59 × 6,549.52
  4. Step 4: Simplify right side
    13,945.09x = 137,000,174.06
  5. Step 5: Solve for x
    x = 137,000,174.06/13,945.09
  6. Step 6: Final answer
    x = 9,824.26

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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.