Home / 12,283.70-18,425.30-3,964.34

Finding the Fourth Proportional to 12,283.70, 18,425.30 and 3,964.34

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Solution

The fourth proportional to 12,283.70, 18,425.30 and 3,964.34 is: 5,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283.70 : 18,425.30 = 3,964.34 : x
  2. Step 2: Convert to fraction form
    12,283.70/18,425.30 = 3,964.34/x
  3. Step 3: Cross multiply
    12,283.70x = 18,425.30 × 3,964.34
  4. Step 4: Simplify right side
    12,283.70x = 73,044,153.80
  5. Step 5: Solve for x
    x = 73,044,153.80/12,283.70
  6. Step 6: Final answer
    x = 5,946.43

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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.