Home / 14,976.89-20,668.78-8,605.54

Finding the Fourth Proportional to 14,976.89, 20,668.78 and 8,605.54

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Solution

The fourth proportional to 14,976.89, 20,668.78 and 8,605.54 is: 11,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.89 : 20,668.78 = 8,605.54 : x
  2. Step 2: Convert to fraction form
    14,976.89/20,668.78 = 8,605.54/x
  3. Step 3: Cross multiply
    14,976.89x = 20,668.78 × 8,605.54
  4. Step 4: Simplify right side
    14,976.89x = 177,866,069.04
  5. Step 5: Solve for x
    x = 177,866,069.04/14,976.89
  6. Step 6: Final answer
    x = 11,876.03

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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.