Home / 19,817.57-29,729.43-6,668.92

Finding the Fourth Proportional to 19,817.57, 29,729.43 and 6,668.92

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Solution

The fourth proportional to 19,817.57, 29,729.43 and 6,668.92 is: 10,004.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.57 : 29,729.43 = 6,668.92 : x
  2. Step 2: Convert to fraction form
    19,817.57/29,729.43 = 6,668.92/x
  3. Step 3: Cross multiply
    19,817.57x = 29,729.43 × 6,668.92
  4. Step 4: Simplify right side
    19,817.57x = 198,263,008.32
  5. Step 5: Solve for x
    x = 198,263,008.32/19,817.57
  6. Step 6: Final answer
    x = 10,004.41

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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.