Home / 20,662.98-28,504.89-12,273.54

Finding the Fourth Proportional to 20,662.98, 28,504.89 and 12,273.54

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Solution

The fourth proportional to 20,662.98, 28,504.89 and 12,273.54 is: 16,931.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,662.98 : 28,504.89 = 12,273.54 : x
  2. Step 2: Convert to fraction form
    20,662.98/28,504.89 = 12,273.54/x
  3. Step 3: Cross multiply
    20,662.98x = 28,504.89 × 12,273.54
  4. Step 4: Simplify right side
    20,662.98x = 349,855,907.61
  5. Step 5: Solve for x
    x = 349,855,907.61/20,662.98
  6. Step 6: Final answer
    x = 16,931.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.