Home / 11,119.37-15,342.44-6,641.48

Finding the Fourth Proportional to 11,119.37, 15,342.44 and 6,641.48

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Solution

The fourth proportional to 11,119.37, 15,342.44 and 6,641.48 is: 9,163.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.37 : 15,342.44 = 6,641.48 : x
  2. Step 2: Convert to fraction form
    11,119.37/15,342.44 = 6,641.48/x
  3. Step 3: Cross multiply
    11,119.37x = 15,342.44 × 6,641.48
  4. Step 4: Simplify right side
    11,119.37x = 101,896,475.20
  5. Step 5: Solve for x
    x = 101,896,475.20/11,119.37
  6. Step 6: Final answer
    x = 9,163.87

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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.