Home / 18,971.64-26,183.34-10,589.88

Finding the Fourth Proportional to 18,971.64, 26,183.34 and 10,589.88

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Solution

The fourth proportional to 18,971.64, 26,183.34 and 10,589.88 is: 14,615.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971.64 : 26,183.34 = 10,589.88 : x
  2. Step 2: Convert to fraction form
    18,971.64/26,183.34 = 10,589.88/x
  3. Step 3: Cross multiply
    18,971.64x = 26,183.34 × 10,589.88
  4. Step 4: Simplify right side
    18,971.64x = 277,278,428.60
  5. Step 5: Solve for x
    x = 277,278,428.60/18,971.64
  6. Step 6: Final answer
    x = 14,615.42

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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.