Home / 13,829.51-20,741.42-3,966.60

Finding the Fourth Proportional to 13,829.51, 20,741.42 and 3,966.60

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Solution

The fourth proportional to 13,829.51, 20,741.42 and 3,966.60 is: 5,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.51 : 20,741.42 = 3,966.60 : x
  2. Step 2: Convert to fraction form
    13,829.51/20,741.42 = 3,966.60/x
  3. Step 3: Cross multiply
    13,829.51x = 20,741.42 × 3,966.60
  4. Step 4: Simplify right side
    13,829.51x = 82,272,806.95
  5. Step 5: Solve for x
    x = 82,272,806.95/13,829.51
  6. Step 6: Final answer
    x = 5,949.08

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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.