Home / 13,837.14-20,768.67-6,446.70

Finding the Fourth Proportional to 13,837.14, 20,768.67 and 6,446.70

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Solution

The fourth proportional to 13,837.14, 20,768.67 and 6,446.70 is: 9,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.14 : 20,768.67 = 6,446.70 : x
  2. Step 2: Convert to fraction form
    13,837.14/20,768.67 = 6,446.70/x
  3. Step 3: Cross multiply
    13,837.14x = 20,768.67 × 6,446.70
  4. Step 4: Simplify right side
    13,837.14x = 133,889,384.89
  5. Step 5: Solve for x
    x = 133,889,384.89/13,837.14
  6. Step 6: Final answer
    x = 9,676.09

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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.