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Finding the Fourth Proportional to 19,954.92, 29,926.01 and 6,809.23

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Solution

The fourth proportional to 19,954.92, 29,926.01 and 6,809.23 is: 10,211.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.92 : 29,926.01 = 6,809.23 : x
  2. Step 2: Convert to fraction form
    19,954.92/29,926.01 = 6,809.23/x
  3. Step 3: Cross multiply
    19,954.92x = 29,926.01 × 6,809.23
  4. Step 4: Simplify right side
    19,954.92x = 203,773,101.20
  5. Step 5: Solve for x
    x = 203,773,101.20/19,954.92
  6. Step 6: Final answer
    x = 10,211.67

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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.