Home / 13,667.61-20,504.29-7,747.33

Finding the Fourth Proportional to 13,667.61, 20,504.29 and 7,747.33

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Solution

The fourth proportional to 13,667.61, 20,504.29 and 7,747.33 is: 11,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667.61 : 20,504.29 = 7,747.33 : x
  2. Step 2: Convert to fraction form
    13,667.61/20,504.29 = 7,747.33/x
  3. Step 3: Cross multiply
    13,667.61x = 20,504.29 × 7,747.33
  4. Step 4: Simplify right side
    13,667.61x = 158,853,501.05
  5. Step 5: Solve for x
    x = 158,853,501.05/13,667.61
  6. Step 6: Final answer
    x = 11,622.62

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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.