Home / 11,639.09-17,458.44-4,243.49

Finding the Fourth Proportional to 11,639.09, 17,458.44 and 4,243.49

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Solution

The fourth proportional to 11,639.09, 17,458.44 and 4,243.49 is: 6,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.09 : 17,458.44 = 4,243.49 : x
  2. Step 2: Convert to fraction form
    11,639.09/17,458.44 = 4,243.49/x
  3. Step 3: Cross multiply
    11,639.09x = 17,458.44 × 4,243.49
  4. Step 4: Simplify right side
    11,639.09x = 74,084,677.82
  5. Step 5: Solve for x
    x = 74,084,677.82/11,639.09
  6. Step 6: Final answer
    x = 6,365.16

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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.