Home / 19,816.89-29,729.91-6,668.94

Finding the Fourth Proportional to 19,816.89, 29,729.91 and 6,668.94

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Solution

The fourth proportional to 19,816.89, 29,729.91 and 6,668.94 is: 10,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.89 : 29,729.91 = 6,668.94 : x
  2. Step 2: Convert to fraction form
    19,816.89/29,729.91 = 6,668.94/x
  3. Step 3: Cross multiply
    19,816.89x = 29,729.91 × 6,668.94
  4. Step 4: Simplify right side
    19,816.89x = 198,266,986.00
  5. Step 5: Solve for x
    x = 198,266,986.00/19,816.89
  6. Step 6: Final answer
    x = 10,004.95

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1.5x scale

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.