Home / 20,304.44-30,465.74-12,906.98

Finding the Fourth Proportional to 20,304.44, 30,465.74 and 12,906.98

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Solution

The fourth proportional to 20,304.44, 30,465.74 and 12,906.98 is: 19,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304.44 : 30,465.74 = 12,906.98 : x
  2. Step 2: Convert to fraction form
    20,304.44/30,465.74 = 12,906.98/x
  3. Step 3: Cross multiply
    20,304.44x = 30,465.74 × 12,906.98
  4. Step 4: Simplify right side
    20,304.44x = 393,220,576.80
  5. Step 5: Solve for x
    x = 393,220,576.80/20,304.44
  6. Step 6: Final answer
    x = 19,366.24

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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.