Home / 13,209.12-19,810.50-3,846.60

Finding the Fourth Proportional to 13,209.12, 19,810.50 and 3,846.60

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Solution

The fourth proportional to 13,209.12, 19,810.50 and 3,846.60 is: 5,768.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.12 : 19,810.50 = 3,846.60 : x
  2. Step 2: Convert to fraction form
    13,209.12/19,810.50 = 3,846.60/x
  3. Step 3: Cross multiply
    13,209.12x = 19,810.50 × 3,846.60
  4. Step 4: Simplify right side
    13,209.12x = 76,203,069.30
  5. Step 5: Solve for x
    x = 76,203,069.30/13,209.12
  6. Step 6: Final answer
    x = 5,768.97

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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.