Home / 15,719.44-23,571.52-9,147.92

Finding the Fourth Proportional to 15,719.44, 23,571.52 and 9,147.92

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Solution

The fourth proportional to 15,719.44, 23,571.52 and 9,147.92 is: 13,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719.44 : 23,571.52 = 9,147.92 : x
  2. Step 2: Convert to fraction form
    15,719.44/23,571.52 = 9,147.92/x
  3. Step 3: Cross multiply
    15,719.44x = 23,571.52 × 9,147.92
  4. Step 4: Simplify right side
    15,719.44x = 215,630,379.24
  5. Step 5: Solve for x
    x = 215,630,379.24/15,719.44
  6. Step 6: Final answer
    x = 13,717.43

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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.