Home / 11,025.49-15,215.07-5,989.72

Finding the Fourth Proportional to 11,025.49, 15,215.07 and 5,989.72

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Solution

The fourth proportional to 11,025.49, 15,215.07 and 5,989.72 is: 8,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.49 : 15,215.07 = 5,989.72 : x
  2. Step 2: Convert to fraction form
    11,025.49/15,215.07 = 5,989.72/x
  3. Step 3: Cross multiply
    11,025.49x = 15,215.07 × 5,989.72
  4. Step 4: Simplify right side
    11,025.49x = 91,134,009.08
  5. Step 5: Solve for x
    x = 91,134,009.08/11,025.49
  6. Step 6: Final answer
    x = 8,265.76

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Similar ratio
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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.