Home / 18,736.36-25,858.74-10,778.44

Finding the Fourth Proportional to 18,736.36, 25,858.74 and 10,778.44

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Solution

The fourth proportional to 18,736.36, 25,858.74 and 10,778.44 is: 14,875.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.36 : 25,858.74 = 10,778.44 : x
  2. Step 2: Convert to fraction form
    18,736.36/25,858.74 = 10,778.44/x
  3. Step 3: Cross multiply
    18,736.36x = 25,858.74 × 10,778.44
  4. Step 4: Simplify right side
    18,736.36x = 278,716,877.57
  5. Step 5: Solve for x
    x = 278,716,877.57/18,736.36
  6. Step 6: Final answer
    x = 14,875.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.