Home / 17,918.67-26,874.99-5,435.71

Finding the Fourth Proportional to 17,918.67, 26,874.99 and 5,435.71

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Solution

The fourth proportional to 17,918.67, 26,874.99 and 5,435.71 is: 8,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.67 : 26,874.99 = 5,435.71 : x
  2. Step 2: Convert to fraction form
    17,918.67/26,874.99 = 5,435.71/x
  3. Step 3: Cross multiply
    17,918.67x = 26,874.99 × 5,435.71
  4. Step 4: Simplify right side
    17,918.67x = 146,084,651.89
  5. Step 5: Solve for x
    x = 146,084,651.89/17,918.67
  6. Step 6: Final answer
    x = 8,152.65

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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.