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Finding the Fourth Proportional to 8,994.18, 12,411.99 and 5,016.09

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Solution

The fourth proportional to 8,994.18, 12,411.99 and 5,016.09 is: 6,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.18 : 12,411.99 = 5,016.09 : x
  2. Step 2: Convert to fraction form
    8,994.18/12,411.99 = 5,016.09/x
  3. Step 3: Cross multiply
    8,994.18x = 12,411.99 × 5,016.09
  4. Step 4: Simplify right side
    8,994.18x = 62,259,658.92
  5. Step 5: Solve for x
    x = 62,259,658.92/8,994.18
  6. Step 6: Final answer
    x = 6,922.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.