Home / 9,896.36-13,655.10-6,119.96

Finding the Fourth Proportional to 9,896.36, 13,655.10 and 6,119.96

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Solution

The fourth proportional to 9,896.36, 13,655.10 and 6,119.96 is: 8,444.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,896.36 : 13,655.10 = 6,119.96 : x
  2. Step 2: Convert to fraction form
    9,896.36/13,655.10 = 6,119.96/x
  3. Step 3: Cross multiply
    9,896.36x = 13,655.10 × 6,119.96
  4. Step 4: Simplify right side
    9,896.36x = 83,568,665.80
  5. Step 5: Solve for x
    x = 83,568,665.80/9,896.36
  6. Step 6: Final answer
    x = 8,444.38

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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.