Home / 13,206.75-19,810.84-3,346.11

Finding the Fourth Proportional to 13,206.75, 19,810.84 and 3,346.11

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Solution

The fourth proportional to 13,206.75, 19,810.84 and 3,346.11 is: 5,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.75 : 19,810.84 = 3,346.11 : x
  2. Step 2: Convert to fraction form
    13,206.75/19,810.84 = 3,346.11/x
  3. Step 3: Cross multiply
    13,206.75x = 19,810.84 × 3,346.11
  4. Step 4: Simplify right side
    13,206.75x = 66,289,249.83
  5. Step 5: Solve for x
    x = 66,289,249.83/13,206.75
  6. Step 6: Final answer
    x = 5,019.35

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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.