Home / 17,768.67-26,650.58-5,290.62

Finding the Fourth Proportional to 17,768.67, 26,650.58 and 5,290.62

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Solution

The fourth proportional to 17,768.67, 26,650.58 and 5,290.62 is: 7,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.67 : 26,650.58 = 5,290.62 : x
  2. Step 2: Convert to fraction form
    17,768.67/26,650.58 = 5,290.62/x
  3. Step 3: Cross multiply
    17,768.67x = 26,650.58 × 5,290.62
  4. Step 4: Simplify right side
    17,768.67x = 140,998,065.11
  5. Step 5: Solve for x
    x = 140,998,065.11/17,768.67
  6. Step 6: Final answer
    x = 7,935.21

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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.