Home / 20,431.37-30,606.05-14,896.44

Finding the Fourth Proportional to 20,431.37, 30,606.05 and 14,896.44

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Solution

The fourth proportional to 20,431.37, 30,606.05 and 14,896.44 is: 22,314.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,431.37 : 30,606.05 = 14,896.44 : x
  2. Step 2: Convert to fraction form
    20,431.37/30,606.05 = 14,896.44/x
  3. Step 3: Cross multiply
    20,431.37x = 30,606.05 × 14,896.44
  4. Step 4: Simplify right side
    20,431.37x = 455,921,112.98
  5. Step 5: Solve for x
    x = 455,921,112.98/20,431.37
  6. Step 6: Final answer
    x = 22,314.77

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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.