Home / 19,816.39-29,729.16-6,668.44

Finding the Fourth Proportional to 19,816.39, 29,729.16 and 6,668.44

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Solution

The fourth proportional to 19,816.39, 29,729.16 and 6,668.44 is: 10,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.39 : 29,729.16 = 6,668.44 : x
  2. Step 2: Convert to fraction form
    19,816.39/29,729.16 = 6,668.44/x
  3. Step 3: Cross multiply
    19,816.39x = 29,729.16 × 6,668.44
  4. Step 4: Simplify right side
    19,816.39x = 198,247,119.71
  5. Step 5: Solve for x
    x = 198,247,119.71/19,816.39
  6. Step 6: Final answer
    x = 10,004.20

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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.