Home / 11,019.11-15,201.29-6,540.32

Finding the Fourth Proportional to 11,019.11, 15,201.29 and 6,540.32

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Solution

The fourth proportional to 11,019.11, 15,201.29 and 6,540.32 is: 9,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.11 : 15,201.29 = 6,540.32 : x
  2. Step 2: Convert to fraction form
    11,019.11/15,201.29 = 6,540.32/x
  3. Step 3: Cross multiply
    11,019.11x = 15,201.29 × 6,540.32
  4. Step 4: Simplify right side
    11,019.11x = 99,421,268.31
  5. Step 5: Solve for x
    x = 99,421,268.31/11,019.11
  6. Step 6: Final answer
    x = 9,022.62

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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.