Home / 18,181.47-27,247.34-13,735.50

Finding the Fourth Proportional to 18,181.47, 27,247.34 and 13,735.50

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Solution

The fourth proportional to 18,181.47, 27,247.34 and 13,735.50 is: 20,584.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.47 : 27,247.34 = 13,735.50 : x
  2. Step 2: Convert to fraction form
    18,181.47/27,247.34 = 13,735.50/x
  3. Step 3: Cross multiply
    18,181.47x = 27,247.34 × 13,735.50
  4. Step 4: Simplify right side
    18,181.47x = 374,255,769.89
  5. Step 5: Solve for x
    x = 374,255,769.89/18,181.47
  6. Step 6: Final answer
    x = 20,584.46

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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.