Home / 13,464.82-20,215.13-11,503.06

Finding the Fourth Proportional to 13,464.82, 20,215.13 and 11,503.06

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Solution

The fourth proportional to 13,464.82, 20,215.13 and 11,503.06 is: 17,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.82 : 20,215.13 = 11,503.06 : x
  2. Step 2: Convert to fraction form
    13,464.82/20,215.13 = 11,503.06/x
  3. Step 3: Cross multiply
    13,464.82x = 20,215.13 × 11,503.06
  4. Step 4: Simplify right side
    13,464.82x = 232,535,739.12
  5. Step 5: Solve for x
    x = 232,535,739.12/13,464.82
  6. Step 6: Final answer
    x = 17,269.87

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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.