Home / 11,082.23-15,291.39-6,606.40

Finding the Fourth Proportional to 11,082.23, 15,291.39 and 6,606.40

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Solution

The fourth proportional to 11,082.23, 15,291.39 and 6,606.40 is: 9,115.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.23 : 15,291.39 = 6,606.40 : x
  2. Step 2: Convert to fraction form
    11,082.23/15,291.39 = 6,606.40/x
  3. Step 3: Cross multiply
    11,082.23x = 15,291.39 × 6,606.40
  4. Step 4: Simplify right side
    11,082.23x = 101,021,078.54
  5. Step 5: Solve for x
    x = 101,021,078.54/11,082.23
  6. Step 6: Final answer
    x = 9,115.59

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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.