Home / 9,660.08-13,324.56-7,560.56

Finding the Fourth Proportional to 9,660.08, 13,324.56 and 7,560.56

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Solution

The fourth proportional to 9,660.08, 13,324.56 and 7,560.56 is: 10,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.08 : 13,324.56 = 7,560.56 : x
  2. Step 2: Convert to fraction form
    9,660.08/13,324.56 = 7,560.56/x
  3. Step 3: Cross multiply
    9,660.08x = 13,324.56 × 7,560.56
  4. Step 4: Simplify right side
    9,660.08x = 100,741,135.35
  5. Step 5: Solve for x
    x = 100,741,135.35/9,660.08
  6. Step 6: Final answer
    x = 10,428.60

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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.