Home / 13,323.33-19,988.97-3,963.66

Finding the Fourth Proportional to 13,323.33, 19,988.97 and 3,963.66

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Solution

The fourth proportional to 13,323.33, 19,988.97 and 3,963.66 is: 5,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.33 : 19,988.97 = 3,963.66 : x
  2. Step 2: Convert to fraction form
    13,323.33/19,988.97 = 3,963.66/x
  3. Step 3: Cross multiply
    13,323.33x = 19,988.97 × 3,963.66
  4. Step 4: Simplify right side
    13,323.33x = 79,229,480.83
  5. Step 5: Solve for x
    x = 79,229,480.83/13,323.33
  6. Step 6: Final answer
    x = 5,946.67

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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.