Home / 12,511.19-18,763.98-3,744.98

Finding the Fourth Proportional to 12,511.19, 18,763.98 and 3,744.98

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Solution

The fourth proportional to 12,511.19, 18,763.98 and 3,744.98 is: 5,616.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511.19 : 18,763.98 = 3,744.98 : x
  2. Step 2: Convert to fraction form
    12,511.19/18,763.98 = 3,744.98/x
  3. Step 3: Cross multiply
    12,511.19x = 18,763.98 × 3,744.98
  4. Step 4: Simplify right side
    12,511.19x = 70,270,729.82
  5. Step 5: Solve for x
    x = 70,270,729.82/12,511.19
  6. Step 6: Final answer
    x = 5,616.63

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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.