Home / 17,819.66-26,728.92-8,466.40

Finding the Fourth Proportional to 17,819.66, 26,728.92 and 8,466.40

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Solution

The fourth proportional to 17,819.66, 26,728.92 and 8,466.40 is: 12,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,819.66 : 26,728.92 = 8,466.40 : x
  2. Step 2: Convert to fraction form
    17,819.66/26,728.92 = 8,466.40/x
  3. Step 3: Cross multiply
    17,819.66x = 26,728.92 × 8,466.40
  4. Step 4: Simplify right side
    17,819.66x = 226,297,728.29
  5. Step 5: Solve for x
    x = 226,297,728.29/17,819.66
  6. Step 6: Final answer
    x = 12,699.33

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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.