Home / 20,634.88-30,947.36-14,450.24

Finding the Fourth Proportional to 20,634.88, 30,947.36 and 14,450.24

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Solution

The fourth proportional to 20,634.88, 30,947.36 and 14,450.24 is: 21,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.88 : 30,947.36 = 14,450.24 : x
  2. Step 2: Convert to fraction form
    20,634.88/30,947.36 = 14,450.24/x
  3. Step 3: Cross multiply
    20,634.88x = 30,947.36 × 14,450.24
  4. Step 4: Simplify right side
    20,634.88x = 447,196,779.37
  5. Step 5: Solve for x
    x = 447,196,779.37/20,634.88
  6. Step 6: Final answer
    x = 21,671.89

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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.