Home / 18,736.74-28,102.05-6,256.26

Finding the Fourth Proportional to 18,736.74, 28,102.05 and 6,256.26

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Solution

The fourth proportional to 18,736.74, 28,102.05 and 6,256.26 is: 9,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.74 : 28,102.05 = 6,256.26 : x
  2. Step 2: Convert to fraction form
    18,736.74/28,102.05 = 6,256.26/x
  3. Step 3: Cross multiply
    18,736.74x = 28,102.05 × 6,256.26
  4. Step 4: Simplify right side
    18,736.74x = 175,813,731.33
  5. Step 5: Solve for x
    x = 175,813,731.33/18,736.74
  6. Step 6: Final answer
    x = 9,383.37

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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.