Home / 17,636.64-26,451.96-6,540.72

Finding the Fourth Proportional to 17,636.64, 26,451.96 and 6,540.72

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Solution

The fourth proportional to 17,636.64, 26,451.96 and 6,540.72 is: 9,809.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,636.64 : 26,451.96 = 6,540.72 : x
  2. Step 2: Convert to fraction form
    17,636.64/26,451.96 = 6,540.72/x
  3. Step 3: Cross multiply
    17,636.64x = 26,451.96 × 6,540.72
  4. Step 4: Simplify right side
    17,636.64x = 173,014,863.81
  5. Step 5: Solve for x
    x = 173,014,863.81/17,636.64
  6. Step 6: Final answer
    x = 9,809.97

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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.