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Finding the Fourth Proportional to 20,011.00, 30,007.07 and 11,693.42

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Solution

The fourth proportional to 20,011.00, 30,007.07 and 11,693.42 is: 17,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.00 : 30,007.07 = 11,693.42 : x
  2. Step 2: Convert to fraction form
    20,011.00/30,007.07 = 11,693.42/x
  3. Step 3: Cross multiply
    20,011.00x = 30,007.07 × 11,693.42
  4. Step 4: Simplify right side
    20,011.00x = 350,885,122.44
  5. Step 5: Solve for x
    x = 350,885,122.44/20,011.00
  6. Step 6: Final answer
    x = 17,534.62

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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.