Home / 17,768.89-26,630.20-7,226.62

Finding the Fourth Proportional to 17,768.89, 26,630.20 and 7,226.62

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Solution

The fourth proportional to 17,768.89, 26,630.20 and 7,226.62 is: 10,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.89 : 26,630.20 = 7,226.62 : x
  2. Step 2: Convert to fraction form
    17,768.89/26,630.20 = 7,226.62/x
  3. Step 3: Cross multiply
    17,768.89x = 26,630.20 × 7,226.62
  4. Step 4: Simplify right side
    17,768.89x = 192,446,278.38
  5. Step 5: Solve for x
    x = 192,446,278.38/17,768.89
  6. Step 6: Final answer
    x = 10,830.52

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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.