Home / 18,967.54-26,164.70-13,310.73

Finding the Fourth Proportional to 18,967.54, 26,164.70 and 13,310.73

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Solution

The fourth proportional to 18,967.54, 26,164.70 and 13,310.73 is: 18,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.54 : 26,164.70 = 13,310.73 : x
  2. Step 2: Convert to fraction form
    18,967.54/26,164.70 = 13,310.73/x
  3. Step 3: Cross multiply
    18,967.54x = 26,164.70 × 13,310.73
  4. Step 4: Simplify right side
    18,967.54x = 348,271,059.85
  5. Step 5: Solve for x
    x = 348,271,059.85/18,967.54
  6. Step 6: Final answer
    x = 18,361.43

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1.5x scale

Why These Related Problems?

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