Home / 21,907.94-32,853.26-9,428.90

Finding the Fourth Proportional to 21,907.94, 32,853.26 and 9,428.90

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Solution

The fourth proportional to 21,907.94, 32,853.26 and 9,428.90 is: 14,139.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907.94 : 32,853.26 = 9,428.90 : x
  2. Step 2: Convert to fraction form
    21,907.94/32,853.26 = 9,428.90/x
  3. Step 3: Cross multiply
    21,907.94x = 32,853.26 × 9,428.90
  4. Step 4: Simplify right side
    21,907.94x = 309,770,103.21
  5. Step 5: Solve for x
    x = 309,770,103.21/21,907.94
  6. Step 6: Final answer
    x = 14,139.63

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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.