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Finding the Fourth Proportional to 18,267.44, 27,379.08 and 8,893.40

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Solution

The fourth proportional to 18,267.44, 27,379.08 and 8,893.40 is: 13,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.44 : 27,379.08 = 8,893.40 : x
  2. Step 2: Convert to fraction form
    18,267.44/27,379.08 = 8,893.40/x
  3. Step 3: Cross multiply
    18,267.44x = 27,379.08 × 8,893.40
  4. Step 4: Simplify right side
    18,267.44x = 243,492,973.18
  5. Step 5: Solve for x
    x = 243,492,973.18/18,267.44
  6. Step 6: Final answer
    x = 13,329.35

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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.