Home / 15,872.24-23,811.50-4,778.37

Finding the Fourth Proportional to 15,872.24, 23,811.50 and 4,778.37

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Solution

The fourth proportional to 15,872.24, 23,811.50 and 4,778.37 is: 7,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,872.24 : 23,811.50 = 4,778.37 : x
  2. Step 2: Convert to fraction form
    15,872.24/23,811.50 = 4,778.37/x
  3. Step 3: Cross multiply
    15,872.24x = 23,811.50 × 4,778.37
  4. Step 4: Simplify right side
    15,872.24x = 113,780,133.36
  5. Step 5: Solve for x
    x = 113,780,133.36/15,872.24
  6. Step 6: Final answer
    x = 7,168.50

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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.