Home / 15,840.37-23,765.84-5,311.44

Finding the Fourth Proportional to 15,840.37, 23,765.84 and 5,311.44

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Solution

The fourth proportional to 15,840.37, 23,765.84 and 5,311.44 is: 7,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840.37 : 23,765.84 = 5,311.44 : x
  2. Step 2: Convert to fraction form
    15,840.37/23,765.84 = 5,311.44/x
  3. Step 3: Cross multiply
    15,840.37x = 23,765.84 × 5,311.44
  4. Step 4: Simplify right side
    15,840.37x = 126,230,833.21
  5. Step 5: Solve for x
    x = 126,230,833.21/15,840.37
  6. Step 6: Final answer
    x = 7,968.93

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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.