Home / 9,969.30-13,757.45-5,493.47

Finding the Fourth Proportional to 9,969.30, 13,757.45 and 5,493.47

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Solution

The fourth proportional to 9,969.30, 13,757.45 and 5,493.47 is: 7,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969.30 : 13,757.45 = 5,493.47 : x
  2. Step 2: Convert to fraction form
    9,969.30/13,757.45 = 5,493.47/x
  3. Step 3: Cross multiply
    9,969.30x = 13,757.45 × 5,493.47
  4. Step 4: Simplify right side
    9,969.30x = 75,576,042.60
  5. Step 5: Solve for x
    x = 75,576,042.60/9,969.30
  6. Step 6: Final answer
    x = 7,580.88

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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.