Home / 10,668.73-16,000.65-2,878.15

Finding the Fourth Proportional to 10,668.73, 16,000.65 and 2,878.15

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Solution

The fourth proportional to 10,668.73, 16,000.65 and 2,878.15 is: 4,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.73 : 16,000.65 = 2,878.15 : x
  2. Step 2: Convert to fraction form
    10,668.73/16,000.65 = 2,878.15/x
  3. Step 3: Cross multiply
    10,668.73x = 16,000.65 × 2,878.15
  4. Step 4: Simplify right side
    10,668.73x = 46,052,270.80
  5. Step 5: Solve for x
    x = 46,052,270.80/10,668.73
  6. Step 6: Final answer
    x = 4,316.57

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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.