Home / 20,639.84-30,950.30-6,597.14

Finding the Fourth Proportional to 20,639.84, 30,950.30 and 6,597.14

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Solution

The fourth proportional to 20,639.84, 30,950.30 and 6,597.14 is: 9,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,639.84 : 30,950.30 = 6,597.14 : x
  2. Step 2: Convert to fraction form
    20,639.84/30,950.30 = 6,597.14/x
  3. Step 3: Cross multiply
    20,639.84x = 30,950.30 × 6,597.14
  4. Step 4: Simplify right side
    20,639.84x = 204,183,323.88
  5. Step 5: Solve for x
    x = 204,183,323.88/20,639.84
  6. Step 6: Final answer
    x = 9,892.68

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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.