Home / 13,843.94-20,762.08-3,846.40

Finding the Fourth Proportional to 13,843.94, 20,762.08 and 3,846.40

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Solution

The fourth proportional to 13,843.94, 20,762.08 and 3,846.40 is: 5,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.94 : 20,762.08 = 3,846.40 : x
  2. Step 2: Convert to fraction form
    13,843.94/20,762.08 = 3,846.40/x
  3. Step 3: Cross multiply
    13,843.94x = 20,762.08 × 3,846.40
  4. Step 4: Simplify right side
    13,843.94x = 79,859,264.51
  5. Step 5: Solve for x
    x = 79,859,264.51/13,843.94
  6. Step 6: Final answer
    x = 5,768.54

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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.