Home / 11,412.25-15,749.26-6,376.69

Finding the Fourth Proportional to 11,412.25, 15,749.26 and 6,376.69

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Solution

The fourth proportional to 11,412.25, 15,749.26 and 6,376.69 is: 8,800.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.25 : 15,749.26 = 6,376.69 : x
  2. Step 2: Convert to fraction form
    11,412.25/15,749.26 = 6,376.69/x
  3. Step 3: Cross multiply
    11,412.25x = 15,749.26 × 6,376.69
  4. Step 4: Simplify right side
    11,412.25x = 100,428,148.75
  5. Step 5: Solve for x
    x = 100,428,148.75/11,412.25
  6. Step 6: Final answer
    x = 8,800.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.