Home / 21,934.02-32,907.41-7,893.78

Finding the Fourth Proportional to 21,934.02, 32,907.41 and 7,893.78

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Solution

The fourth proportional to 21,934.02, 32,907.41 and 7,893.78 is: 11,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,934.02 : 32,907.41 = 7,893.78 : x
  2. Step 2: Convert to fraction form
    21,934.02/32,907.41 = 7,893.78/x
  3. Step 3: Cross multiply
    21,934.02x = 32,907.41 × 7,893.78
  4. Step 4: Simplify right side
    21,934.02x = 259,763,815.44
  5. Step 5: Solve for x
    x = 259,763,815.44/21,934.02
  6. Step 6: Final answer
    x = 11,842.96

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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.