Home / 9,309.47-13,939.30-7,833.25

Finding the Fourth Proportional to 9,309.47, 13,939.30 and 7,833.25

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Solution

The fourth proportional to 9,309.47, 13,939.30 and 7,833.25 is: 11,728.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.47 : 13,939.30 = 7,833.25 : x
  2. Step 2: Convert to fraction form
    9,309.47/13,939.30 = 7,833.25/x
  3. Step 3: Cross multiply
    9,309.47x = 13,939.30 × 7,833.25
  4. Step 4: Simplify right side
    9,309.47x = 109,190,021.73
  5. Step 5: Solve for x
    x = 109,190,021.73/9,309.47
  6. Step 6: Final answer
    x = 11,728.92

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1.5x scale

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.