Home / 9,939.25-13,701.71-6,945.79

Finding the Fourth Proportional to 9,939.25, 13,701.71 and 6,945.79

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Solution

The fourth proportional to 9,939.25, 13,701.71 and 6,945.79 is: 9,575.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.25 : 13,701.71 = 6,945.79 : x
  2. Step 2: Convert to fraction form
    9,939.25/13,701.71 = 6,945.79/x
  3. Step 3: Cross multiply
    9,939.25x = 13,701.71 × 6,945.79
  4. Step 4: Simplify right side
    9,939.25x = 95,169,200.30
  5. Step 5: Solve for x
    x = 95,169,200.30/9,939.25
  6. Step 6: Final answer
    x = 9,575.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.