Home / 10,896.12-16,355.12-7,610.15

Finding the Fourth Proportional to 10,896.12, 16,355.12 and 7,610.15

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Solution

The fourth proportional to 10,896.12, 16,355.12 and 7,610.15 is: 11,422.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.12 : 16,355.12 = 7,610.15 : x
  2. Step 2: Convert to fraction form
    10,896.12/16,355.12 = 7,610.15/x
  3. Step 3: Cross multiply
    10,896.12x = 16,355.12 × 7,610.15
  4. Step 4: Simplify right side
    10,896.12x = 124,464,919.31
  5. Step 5: Solve for x
    x = 124,464,919.31/10,896.12
  6. Step 6: Final answer
    x = 11,422.87

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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.