Home / 11,609.38-17,406.33-4,212.88

Finding the Fourth Proportional to 11,609.38, 17,406.33 and 4,212.88

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Solution

The fourth proportional to 11,609.38, 17,406.33 and 4,212.88 is: 6,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.38 : 17,406.33 = 4,212.88 : x
  2. Step 2: Convert to fraction form
    11,609.38/17,406.33 = 4,212.88/x
  3. Step 3: Cross multiply
    11,609.38x = 17,406.33 × 4,212.88
  4. Step 4: Simplify right side
    11,609.38x = 73,330,779.53
  5. Step 5: Solve for x
    x = 73,330,779.53/11,609.38
  6. Step 6: Final answer
    x = 6,316.51

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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.