Home / 19,016.50-28,504.62-7,165.12

Finding the Fourth Proportional to 19,016.50, 28,504.62 and 7,165.12

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Solution

The fourth proportional to 19,016.50, 28,504.62 and 7,165.12 is: 10,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.50 : 28,504.62 = 7,165.12 : x
  2. Step 2: Convert to fraction form
    19,016.50/28,504.62 = 7,165.12/x
  3. Step 3: Cross multiply
    19,016.50x = 28,504.62 × 7,165.12
  4. Step 4: Simplify right side
    19,016.50x = 204,239,022.85
  5. Step 5: Solve for x
    x = 204,239,022.85/19,016.50
  6. Step 6: Final answer
    x = 10,740.10

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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.