Home / 11,106.61-16,664.52-4,863.40

Finding the Fourth Proportional to 11,106.61, 16,664.52 and 4,863.40

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Solution

The fourth proportional to 11,106.61, 16,664.52 and 4,863.40 is: 7,297.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.61 : 16,664.52 = 4,863.40 : x
  2. Step 2: Convert to fraction form
    11,106.61/16,664.52 = 4,863.40/x
  3. Step 3: Cross multiply
    11,106.61x = 16,664.52 × 4,863.40
  4. Step 4: Simplify right side
    11,106.61x = 81,046,226.57
  5. Step 5: Solve for x
    x = 81,046,226.57/11,106.61
  6. Step 6: Final answer
    x = 7,297.12

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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.