Home / 17,943.40-26,892.70-9,181.80

Finding the Fourth Proportional to 17,943.40, 26,892.70 and 9,181.80

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Solution

The fourth proportional to 17,943.40, 26,892.70 and 9,181.80 is: 13,761.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943.40 : 26,892.70 = 9,181.80 : x
  2. Step 2: Convert to fraction form
    17,943.40/26,892.70 = 9,181.80/x
  3. Step 3: Cross multiply
    17,943.40x = 26,892.70 × 9,181.80
  4. Step 4: Simplify right side
    17,943.40x = 246,923,392.86
  5. Step 5: Solve for x
    x = 246,923,392.86/17,943.40
  6. Step 6: Final answer
    x = 13,761.24

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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.