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Finding the Fourth Proportional to 19,252.92, 28,883.04 and 6,776.64

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Solution

The fourth proportional to 19,252.92, 28,883.04 and 6,776.64 is: 10,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,252.92 : 28,883.04 = 6,776.64 : x
  2. Step 2: Convert to fraction form
    19,252.92/28,883.04 = 6,776.64/x
  3. Step 3: Cross multiply
    19,252.92x = 28,883.04 × 6,776.64
  4. Step 4: Simplify right side
    19,252.92x = 195,729,964.19
  5. Step 5: Solve for x
    x = 195,729,964.19/19,252.92
  6. Step 6: Final answer
    x = 10,166.25

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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.