Home / 17,518.82-26,274.69-6,421.73

Finding the Fourth Proportional to 17,518.82, 26,274.69 and 6,421.73

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Solution

The fourth proportional to 17,518.82, 26,274.69 and 6,421.73 is: 9,631.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.82 : 26,274.69 = 6,421.73 : x
  2. Step 2: Convert to fraction form
    17,518.82/26,274.69 = 6,421.73/x
  3. Step 3: Cross multiply
    17,518.82x = 26,274.69 × 6,421.73
  4. Step 4: Simplify right side
    17,518.82x = 168,728,833.64
  5. Step 5: Solve for x
    x = 168,728,833.64/17,518.82
  6. Step 6: Final answer
    x = 9,631.29

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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.