Home / 13,362.76-20,066.82-11,609.92

Finding the Fourth Proportional to 13,362.76, 20,066.82 and 11,609.92

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Solution

The fourth proportional to 13,362.76, 20,066.82 and 11,609.92 is: 17,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.76 : 20,066.82 = 11,609.92 : x
  2. Step 2: Convert to fraction form
    13,362.76/20,066.82 = 11,609.92/x
  3. Step 3: Cross multiply
    13,362.76x = 20,066.82 × 11,609.92
  4. Step 4: Simplify right side
    13,362.76x = 232,974,174.85
  5. Step 5: Solve for x
    x = 232,974,174.85/13,362.76
  6. Step 6: Final answer
    x = 17,434.58

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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.