Home / 9,065.92-13,589.28-5,111.44

Finding the Fourth Proportional to 9,065.92, 13,589.28 and 5,111.44

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Solution

The fourth proportional to 9,065.92, 13,589.28 and 5,111.44 is: 7,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.92 : 13,589.28 = 5,111.44 : x
  2. Step 2: Convert to fraction form
    9,065.92/13,589.28 = 5,111.44/x
  3. Step 3: Cross multiply
    9,065.92x = 13,589.28 × 5,111.44
  4. Step 4: Simplify right side
    9,065.92x = 69,460,789.36
  5. Step 5: Solve for x
    x = 69,460,789.36/9,065.92
  6. Step 6: Final answer
    x = 7,661.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.