Home / 15,841.67-21,861.24-8,767.94

Finding the Fourth Proportional to 15,841.67, 21,861.24 and 8,767.94

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Solution

The fourth proportional to 15,841.67, 21,861.24 and 8,767.94 is: 12,099.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.67 : 21,861.24 = 8,767.94 : x
  2. Step 2: Convert to fraction form
    15,841.67/21,861.24 = 8,767.94/x
  3. Step 3: Cross multiply
    15,841.67x = 21,861.24 × 8,767.94
  4. Step 4: Simplify right side
    15,841.67x = 191,678,040.65
  5. Step 5: Solve for x
    x = 191,678,040.65/15,841.67
  6. Step 6: Final answer
    x = 12,099.61

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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.