Home / 13,206.90-19,811.07-3,346.26

Finding the Fourth Proportional to 13,206.90, 19,811.07 and 3,346.26

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Solution

The fourth proportional to 13,206.90, 19,811.07 and 3,346.26 is: 5,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.90 : 19,811.07 = 3,346.26 : x
  2. Step 2: Convert to fraction form
    13,206.90/19,811.07 = 3,346.26/x
  3. Step 3: Cross multiply
    13,206.90x = 19,811.07 × 3,346.26
  4. Step 4: Simplify right side
    13,206.90x = 66,292,991.10
  5. Step 5: Solve for x
    x = 66,292,991.10/13,206.90
  6. Step 6: Final answer
    x = 5,019.57

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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.