Home / 10,899.27-15,040.77-6,119.33

Finding the Fourth Proportional to 10,899.27, 15,040.77 and 6,119.33

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Solution

The fourth proportional to 10,899.27, 15,040.77 and 6,119.33 is: 8,444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.27 : 15,040.77 = 6,119.33 : x
  2. Step 2: Convert to fraction form
    10,899.27/15,040.77 = 6,119.33/x
  3. Step 3: Cross multiply
    10,899.27x = 15,040.77 × 6,119.33
  4. Step 4: Simplify right side
    10,899.27x = 92,039,359.88
  5. Step 5: Solve for x
    x = 92,039,359.88/10,899.27
  6. Step 6: Final answer
    x = 8,444.54

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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.