Home / 13,467.69-20,211.26-7,635.69

Finding the Fourth Proportional to 13,467.69, 20,211.26 and 7,635.69

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Solution

The fourth proportional to 13,467.69, 20,211.26 and 7,635.69 is: 11,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.69 : 20,211.26 = 7,635.69 : x
  2. Step 2: Convert to fraction form
    13,467.69/20,211.26 = 7,635.69/x
  3. Step 3: Cross multiply
    13,467.69x = 20,211.26 × 7,635.69
  4. Step 4: Simplify right side
    13,467.69x = 154,326,877.69
  5. Step 5: Solve for x
    x = 154,326,877.69/13,467.69
  6. Step 6: Final answer
    x = 11,459.05

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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.