Home / 18,382.26-25,371.68-11,214.60

Finding the Fourth Proportional to 18,382.26, 25,371.68 and 11,214.60

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Solution

The fourth proportional to 18,382.26, 25,371.68 and 11,214.60 is: 15,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.26 : 25,371.68 = 11,214.60 : x
  2. Step 2: Convert to fraction form
    18,382.26/25,371.68 = 11,214.60/x
  3. Step 3: Cross multiply
    18,382.26x = 25,371.68 × 11,214.60
  4. Step 4: Simplify right side
    18,382.26x = 284,533,242.53
  5. Step 5: Solve for x
    x = 284,533,242.53/18,382.26
  6. Step 6: Final answer
    x = 15,478.69

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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.