Home / 19,418.60-29,127.94-8,324.44

Finding the Fourth Proportional to 19,418.60, 29,127.94 and 8,324.44

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Solution

The fourth proportional to 19,418.60, 29,127.94 and 8,324.44 is: 12,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.60 : 29,127.94 = 8,324.44 : x
  2. Step 2: Convert to fraction form
    19,418.60/29,127.94 = 8,324.44/x
  3. Step 3: Cross multiply
    19,418.60x = 29,127.94 × 8,324.44
  4. Step 4: Simplify right side
    19,418.60x = 242,473,695.22
  5. Step 5: Solve for x
    x = 242,473,695.22/19,418.60
  6. Step 6: Final answer
    x = 12,486.67

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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.