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Finding the Fourth Proportional to 20,599.92, 30,900.96 and 6,561.14

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Solution

The fourth proportional to 20,599.92, 30,900.96 and 6,561.14 is: 9,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.92 : 30,900.96 = 6,561.14 : x
  2. Step 2: Convert to fraction form
    20,599.92/30,900.96 = 6,561.14/x
  3. Step 3: Cross multiply
    20,599.92x = 30,900.96 × 6,561.14
  4. Step 4: Simplify right side
    20,599.92x = 202,745,370.19
  5. Step 5: Solve for x
    x = 202,745,370.19/20,599.92
  6. Step 6: Final answer
    x = 9,842.05

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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.