Home / 13,933.87-20,903.77-4,072.33

Finding the Fourth Proportional to 13,933.87, 20,903.77 and 4,072.33

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Solution

The fourth proportional to 13,933.87, 20,903.77 and 4,072.33 is: 6,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.87 : 20,903.77 = 4,072.33 : x
  2. Step 2: Convert to fraction form
    13,933.87/20,903.77 = 4,072.33/x
  3. Step 3: Cross multiply
    13,933.87x = 20,903.77 × 4,072.33
  4. Step 4: Simplify right side
    13,933.87x = 85,126,963.32
  5. Step 5: Solve for x
    x = 85,126,963.32/13,933.87
  6. Step 6: Final answer
    x = 6,109.35

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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.