Home / 11,243.64-15,518.58-7,467.12

Finding the Fourth Proportional to 11,243.64, 15,518.58 and 7,467.12

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Solution

The fourth proportional to 11,243.64, 15,518.58 and 7,467.12 is: 10,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.64 : 15,518.58 = 7,467.12 : x
  2. Step 2: Convert to fraction form
    11,243.64/15,518.58 = 7,467.12/x
  3. Step 3: Cross multiply
    11,243.64x = 15,518.58 × 7,467.12
  4. Step 4: Simplify right side
    11,243.64x = 115,879,099.09
  5. Step 5: Solve for x
    x = 115,879,099.09/11,243.64
  6. Step 6: Final answer
    x = 10,306.19

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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.