Home / 21,907.08-30,224.18-12,473.24

Finding the Fourth Proportional to 21,907.08, 30,224.18 and 12,473.24

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Solution

The fourth proportional to 21,907.08, 30,224.18 and 12,473.24 is: 17,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907.08 : 30,224.18 = 12,473.24 : x
  2. Step 2: Convert to fraction form
    21,907.08/30,224.18 = 12,473.24/x
  3. Step 3: Cross multiply
    21,907.08x = 30,224.18 × 12,473.24
  4. Step 4: Simplify right side
    21,907.08x = 376,993,450.94
  5. Step 5: Solve for x
    x = 376,993,450.94/21,907.08
  6. Step 6: Final answer
    x = 17,208.75

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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.