Home / 20,389.14-30,588.09-6,348.87

Finding the Fourth Proportional to 20,389.14, 30,588.09 and 6,348.87

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Solution

The fourth proportional to 20,389.14, 30,588.09 and 6,348.87 is: 9,524.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,389.14 : 30,588.09 = 6,348.87 : x
  2. Step 2: Convert to fraction form
    20,389.14/30,588.09 = 6,348.87/x
  3. Step 3: Cross multiply
    20,389.14x = 30,588.09 × 6,348.87
  4. Step 4: Simplify right side
    20,389.14x = 194,199,806.96
  5. Step 5: Solve for x
    x = 194,199,806.96/20,389.14
  6. Step 6: Final answer
    x = 9,524.67

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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.