Home / 15,743.43-23,609.46-5,211.50

Finding the Fourth Proportional to 15,743.43, 23,609.46 and 5,211.50

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Solution

The fourth proportional to 15,743.43, 23,609.46 and 5,211.50 is: 7,815.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743.43 : 23,609.46 = 5,211.50 : x
  2. Step 2: Convert to fraction form
    15,743.43/23,609.46 = 5,211.50/x
  3. Step 3: Cross multiply
    15,743.43x = 23,609.46 × 5,211.50
  4. Step 4: Simplify right side
    15,743.43x = 123,040,759.81
  5. Step 5: Solve for x
    x = 123,040,759.81/15,743.43
  6. Step 6: Final answer
    x = 7,815.37

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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.