Home / 15,144.67-22,719.60-5,148.37

Finding the Fourth Proportional to 15,144.67, 22,719.60 and 5,148.37

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Solution

The fourth proportional to 15,144.67, 22,719.60 and 5,148.37 is: 7,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.67 : 22,719.60 = 5,148.37 : x
  2. Step 2: Convert to fraction form
    15,144.67/22,719.60 = 5,148.37/x
  3. Step 3: Cross multiply
    15,144.67x = 22,719.60 × 5,148.37
  4. Step 4: Simplify right side
    15,144.67x = 116,968,907.05
  5. Step 5: Solve for x
    x = 116,968,907.05/15,144.67
  6. Step 6: Final answer
    x = 7,723.44

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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.