Home / 19,012.90-28,517.17-4,974.28

Finding the Fourth Proportional to 19,012.90, 28,517.17 and 4,974.28

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Solution

The fourth proportional to 19,012.90, 28,517.17 and 4,974.28 is: 7,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.90 : 28,517.17 = 4,974.28 : x
  2. Step 2: Convert to fraction form
    19,012.90/28,517.17 = 4,974.28/x
  3. Step 3: Cross multiply
    19,012.90x = 28,517.17 × 4,974.28
  4. Step 4: Simplify right side
    19,012.90x = 141,852,488.39
  5. Step 5: Solve for x
    x = 141,852,488.39/19,012.90
  6. Step 6: Final answer
    x = 7,460.85

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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.