Home / 11,166.10-16,733.51-8,391

Finding the Fourth Proportional to 11,166.10, 16,733.51 and 8,391

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Solution

The fourth proportional to 11,166.10, 16,733.51 and 8,391 is: 12,574.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.10 : 16,733.51 = 8,391 : x
  2. Step 2: Convert to fraction form
    11,166.10/16,733.51 = 8,391/x
  3. Step 3: Cross multiply
    11,166.10x = 16,733.51 × 8,391
  4. Step 4: Simplify right side
    11,166.10x = 140,410,882.41
  5. Step 5: Solve for x
    x = 140,410,882.41/11,166.10
  6. Step 6: Final answer
    x = 12,574.75

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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.