Home / 15,438.26-23,157.33-3,751.47

Finding the Fourth Proportional to 15,438.26, 23,157.33 and 3,751.47

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Solution

The fourth proportional to 15,438.26, 23,157.33 and 3,751.47 is: 5,627.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.26 : 23,157.33 = 3,751.47 : x
  2. Step 2: Convert to fraction form
    15,438.26/23,157.33 = 3,751.47/x
  3. Step 3: Cross multiply
    15,438.26x = 23,157.33 × 3,751.47
  4. Step 4: Simplify right side
    15,438.26x = 86,874,028.78
  5. Step 5: Solve for x
    x = 86,874,028.78/15,438.26
  6. Step 6: Final answer
    x = 5,627.19

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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.