Home / 13,836.56-20,751.77-3,973.64

Finding the Fourth Proportional to 13,836.56, 20,751.77 and 3,973.64

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Solution

The fourth proportional to 13,836.56, 20,751.77 and 3,973.64 is: 5,959.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.56 : 20,751.77 = 3,973.64 : x
  2. Step 2: Convert to fraction form
    13,836.56/20,751.77 = 3,973.64/x
  3. Step 3: Cross multiply
    13,836.56x = 20,751.77 × 3,973.64
  4. Step 4: Simplify right side
    13,836.56x = 82,459,969.52
  5. Step 5: Solve for x
    x = 82,459,969.52/13,836.56
  6. Step 6: Final answer
    x = 5,959.57

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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.