Home / 13,282.44-19,897.26-12,193.80

Finding the Fourth Proportional to 13,282.44, 19,897.26 and 12,193.80

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Solution

The fourth proportional to 13,282.44, 19,897.26 and 12,193.80 is: 18,266.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.44 : 19,897.26 = 12,193.80 : x
  2. Step 2: Convert to fraction form
    13,282.44/19,897.26 = 12,193.80/x
  3. Step 3: Cross multiply
    13,282.44x = 19,897.26 × 12,193.80
  4. Step 4: Simplify right side
    13,282.44x = 242,623,208.99
  5. Step 5: Solve for x
    x = 242,623,208.99/13,282.44
  6. Step 6: Final answer
    x = 18,266.46

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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.