Home / 18,261.54-27,372.20-7,166.16

Finding the Fourth Proportional to 18,261.54, 27,372.20 and 7,166.16

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Solution

The fourth proportional to 18,261.54, 27,372.20 and 7,166.16 is: 10,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.54 : 27,372.20 = 7,166.16 : x
  2. Step 2: Convert to fraction form
    18,261.54/27,372.20 = 7,166.16/x
  3. Step 3: Cross multiply
    18,261.54x = 27,372.20 × 7,166.16
  4. Step 4: Simplify right side
    18,261.54x = 196,153,564.75
  5. Step 5: Solve for x
    x = 196,153,564.75/18,261.54
  6. Step 6: Final answer
    x = 10,741.35

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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.