Home / 13,706.20-20,560.58-3,845.43

Finding the Fourth Proportional to 13,706.20, 20,560.58 and 3,845.43

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Solution

The fourth proportional to 13,706.20, 20,560.58 and 3,845.43 is: 5,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706.20 : 20,560.58 = 3,845.43 : x
  2. Step 2: Convert to fraction form
    13,706.20/20,560.58 = 3,845.43/x
  3. Step 3: Cross multiply
    13,706.20x = 20,560.58 × 3,845.43
  4. Step 4: Simplify right side
    13,706.20x = 79,064,271.15
  5. Step 5: Solve for x
    x = 79,064,271.15/13,706.20
  6. Step 6: Final answer
    x = 5,768.50

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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.