Home / 20,261.69-30,367.92-14,340.30

Finding the Fourth Proportional to 20,261.69, 30,367.92 and 14,340.30

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Solution

The fourth proportional to 20,261.69, 30,367.92 and 14,340.30 is: 21,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.69 : 30,367.92 = 14,340.30 : x
  2. Step 2: Convert to fraction form
    20,261.69/30,367.92 = 14,340.30/x
  3. Step 3: Cross multiply
    20,261.69x = 30,367.92 × 14,340.30
  4. Step 4: Simplify right side
    20,261.69x = 435,485,166.02
  5. Step 5: Solve for x
    x = 435,485,166.02/20,261.69
  6. Step 6: Final answer
    x = 21,493.03

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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.