Home / 12,433.26-18,655.54-11,382.13

Finding the Fourth Proportional to 12,433.26, 18,655.54 and 11,382.13

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Solution

The fourth proportional to 12,433.26, 18,655.54 and 11,382.13 is: 17,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.26 : 18,655.54 = 11,382.13 : x
  2. Step 2: Convert to fraction form
    12,433.26/18,655.54 = 11,382.13/x
  3. Step 3: Cross multiply
    12,433.26x = 18,655.54 × 11,382.13
  4. Step 4: Simplify right side
    12,433.26x = 212,339,776.36
  5. Step 5: Solve for x
    x = 212,339,776.36/12,433.26
  6. Step 6: Final answer
    x = 17,078.36

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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.