Home / 11,813.98-17,708.81-5,243.26

Finding the Fourth Proportional to 11,813.98, 17,708.81 and 5,243.26

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Solution

The fourth proportional to 11,813.98, 17,708.81 and 5,243.26 is: 7,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.98 : 17,708.81 = 5,243.26 : x
  2. Step 2: Convert to fraction form
    11,813.98/17,708.81 = 5,243.26/x
  3. Step 3: Cross multiply
    11,813.98x = 17,708.81 × 5,243.26
  4. Step 4: Simplify right side
    11,813.98x = 92,851,895.12
  5. Step 5: Solve for x
    x = 92,851,895.12/11,813.98
  6. Step 6: Final answer
    x = 7,859.49

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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.