Home / 13,206.65-19,813.41-3,846.45

Finding the Fourth Proportional to 13,206.65, 19,813.41 and 3,846.45

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Solution

The fourth proportional to 13,206.65, 19,813.41 and 3,846.45 is: 5,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.65 : 19,813.41 = 3,846.45 : x
  2. Step 2: Convert to fraction form
    13,206.65/19,813.41 = 3,846.45/x
  3. Step 3: Cross multiply
    13,206.65x = 19,813.41 × 3,846.45
  4. Step 4: Simplify right side
    13,206.65x = 76,211,290.89
  5. Step 5: Solve for x
    x = 76,211,290.89/13,206.65
  6. Step 6: Final answer
    x = 5,770.68

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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.