Home / 11,021.91-15,210.36-5,986.19

Finding the Fourth Proportional to 11,021.91, 15,210.36 and 5,986.19

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Solution

The fourth proportional to 11,021.91, 15,210.36 and 5,986.19 is: 8,261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.91 : 15,210.36 = 5,986.19 : x
  2. Step 2: Convert to fraction form
    11,021.91/15,210.36 = 5,986.19/x
  3. Step 3: Cross multiply
    11,021.91x = 15,210.36 × 5,986.19
  4. Step 4: Simplify right side
    11,021.91x = 91,052,028.88
  5. Step 5: Solve for x
    x = 91,052,028.88/11,021.91
  6. Step 6: Final answer
    x = 8,261.00

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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.