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Finding the Fourth Proportional to 12,029.96, 18,044.94 and 5,364.74

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Solution

The fourth proportional to 12,029.96, 18,044.94 and 5,364.74 is: 8,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.96 : 18,044.94 = 5,364.74 : x
  2. Step 2: Convert to fraction form
    12,029.96/18,044.94 = 5,364.74/x
  3. Step 3: Cross multiply
    12,029.96x = 18,044.94 × 5,364.74
  4. Step 4: Simplify right side
    12,029.96x = 96,806,321.19
  5. Step 5: Solve for x
    x = 96,806,321.19/12,029.96
  6. Step 6: Final answer
    x = 8,047.11

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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.