Home / 19,308.18-28,964.64-6,825.62

Finding the Fourth Proportional to 19,308.18, 28,964.64 and 6,825.62

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Solution

The fourth proportional to 19,308.18, 28,964.64 and 6,825.62 is: 10,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.18 : 28,964.64 = 6,825.62 : x
  2. Step 2: Convert to fraction form
    19,308.18/28,964.64 = 6,825.62/x
  3. Step 3: Cross multiply
    19,308.18x = 28,964.64 × 6,825.62
  4. Step 4: Simplify right side
    19,308.18x = 197,701,626.08
  5. Step 5: Solve for x
    x = 197,701,626.08/19,308.18
  6. Step 6: Final answer
    x = 10,239.27

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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.