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Finding the Fourth Proportional to 8,946.37, 13,431.03 and 8,853.22

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Solution

The fourth proportional to 8,946.37, 13,431.03 and 8,853.22 is: 13,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.37 : 13,431.03 = 8,853.22 : x
  2. Step 2: Convert to fraction form
    8,946.37/13,431.03 = 8,853.22/x
  3. Step 3: Cross multiply
    8,946.37x = 13,431.03 × 8,853.22
  4. Step 4: Simplify right side
    8,946.37x = 118,907,863.42
  5. Step 5: Solve for x
    x = 118,907,863.42/8,946.37
  6. Step 6: Final answer
    x = 13,291.19

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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.