Home / 20,247.84-30,371.58-6,396.84

Finding the Fourth Proportional to 20,247.84, 30,371.58 and 6,396.84

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Solution

The fourth proportional to 20,247.84, 30,371.58 and 6,396.84 is: 9,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.84 : 30,371.58 = 6,396.84 : x
  2. Step 2: Convert to fraction form
    20,247.84/30,371.58 = 6,396.84/x
  3. Step 3: Cross multiply
    20,247.84x = 30,371.58 × 6,396.84
  4. Step 4: Simplify right side
    20,247.84x = 194,282,137.81
  5. Step 5: Solve for x
    x = 194,282,137.81/20,247.84
  6. Step 6: Final answer
    x = 9,595.20

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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.