Home / 16,788.48-25,190.94-11,889.60

Finding the Fourth Proportional to 16,788.48, 25,190.94 and 11,889.60

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Solution

The fourth proportional to 16,788.48, 25,190.94 and 11,889.60 is: 17,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788.48 : 25,190.94 = 11,889.60 : x
  2. Step 2: Convert to fraction form
    16,788.48/25,190.94 = 11,889.60/x
  3. Step 3: Cross multiply
    16,788.48x = 25,190.94 × 11,889.60
  4. Step 4: Simplify right side
    16,788.48x = 299,510,200.22
  5. Step 5: Solve for x
    x = 299,510,200.22/16,788.48
  6. Step 6: Final answer
    x = 17,840.22

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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.