Home / 18,954.86-26,157.88-10,997.22

Finding the Fourth Proportional to 18,954.86, 26,157.88 and 10,997.22

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Solution

The fourth proportional to 18,954.86, 26,157.88 and 10,997.22 is: 15,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.86 : 26,157.88 = 10,997.22 : x
  2. Step 2: Convert to fraction form
    18,954.86/26,157.88 = 10,997.22/x
  3. Step 3: Cross multiply
    18,954.86x = 26,157.88 × 10,997.22
  4. Step 4: Simplify right side
    18,954.86x = 287,663,961.09
  5. Step 5: Solve for x
    x = 287,663,961.09/18,954.86
  6. Step 6: Final answer
    x = 15,176.26

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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.