Home / 10,969.38-15,137.46-6,253.56

Finding the Fourth Proportional to 10,969.38, 15,137.46 and 6,253.56

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Solution

The fourth proportional to 10,969.38, 15,137.46 and 6,253.56 is: 8,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.38 : 15,137.46 = 6,253.56 : x
  2. Step 2: Convert to fraction form
    10,969.38/15,137.46 = 6,253.56/x
  3. Step 3: Cross multiply
    10,969.38x = 15,137.46 × 6,253.56
  4. Step 4: Simplify right side
    10,969.38x = 94,663,014.36
  5. Step 5: Solve for x
    x = 94,663,014.36/10,969.38
  6. Step 6: Final answer
    x = 8,629.75

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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.