Home / 10,667.79-15,999.91-3,270.26

Finding the Fourth Proportional to 10,667.79, 15,999.91 and 3,270.26

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Solution

The fourth proportional to 10,667.79, 15,999.91 and 3,270.26 is: 4,904.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.79 : 15,999.91 = 3,270.26 : x
  2. Step 2: Convert to fraction form
    10,667.79/15,999.91 = 3,270.26/x
  3. Step 3: Cross multiply
    10,667.79x = 15,999.91 × 3,270.26
  4. Step 4: Simplify right side
    10,667.79x = 52,323,865.68
  5. Step 5: Solve for x
    x = 52,323,865.68/10,667.79
  6. Step 6: Final answer
    x = 4,904.85

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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.