Home / 13,855.05-20,785.49-4,494.34

Finding the Fourth Proportional to 13,855.05, 20,785.49 and 4,494.34

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Solution

The fourth proportional to 13,855.05, 20,785.49 and 4,494.34 is: 6,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855.05 : 20,785.49 = 4,494.34 : x
  2. Step 2: Convert to fraction form
    13,855.05/20,785.49 = 4,494.34/x
  3. Step 3: Cross multiply
    13,855.05x = 20,785.49 × 4,494.34
  4. Step 4: Simplify right side
    13,855.05x = 93,416,955.20
  5. Step 5: Solve for x
    x = 93,416,955.20/13,855.05
  6. Step 6: Final answer
    x = 6,742.45

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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.