Home / 19,269.09-28,907.82-6,122.52

Finding the Fourth Proportional to 19,269.09, 28,907.82 and 6,122.52

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Solution

The fourth proportional to 19,269.09, 28,907.82 and 6,122.52 is: 9,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.09 : 28,907.82 = 6,122.52 : x
  2. Step 2: Convert to fraction form
    19,269.09/28,907.82 = 6,122.52/x
  3. Step 3: Cross multiply
    19,269.09x = 28,907.82 × 6,122.52
  4. Step 4: Simplify right side
    19,269.09x = 176,988,706.11
  5. Step 5: Solve for x
    x = 176,988,706.11/19,269.09
  6. Step 6: Final answer
    x = 9,185.11

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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.