Home / 12,263.76-18,395.68-3,029.76

Finding the Fourth Proportional to 12,263.76, 18,395.68 and 3,029.76

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Solution

The fourth proportional to 12,263.76, 18,395.68 and 3,029.76 is: 4,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.76 : 18,395.68 = 3,029.76 : x
  2. Step 2: Convert to fraction form
    12,263.76/18,395.68 = 3,029.76/x
  3. Step 3: Cross multiply
    12,263.76x = 18,395.68 × 3,029.76
  4. Step 4: Simplify right side
    12,263.76x = 55,734,495.44
  5. Step 5: Solve for x
    x = 55,734,495.44/12,263.76
  6. Step 6: Final answer
    x = 4,544.65

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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.