Home / 11,538.39-17,308.44-4,142.91

Finding the Fourth Proportional to 11,538.39, 17,308.44 and 4,142.91

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Solution

The fourth proportional to 11,538.39, 17,308.44 and 4,142.91 is: 6,214.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.39 : 17,308.44 = 4,142.91 : x
  2. Step 2: Convert to fraction form
    11,538.39/17,308.44 = 4,142.91/x
  3. Step 3: Cross multiply
    11,538.39x = 17,308.44 × 4,142.91
  4. Step 4: Simplify right side
    11,538.39x = 71,707,309.16
  5. Step 5: Solve for x
    x = 71,707,309.16/11,538.39
  6. Step 6: Final answer
    x = 6,214.67

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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.