Home / 11,713.71-17,558.27-7,271.37

Finding the Fourth Proportional to 11,713.71, 17,558.27 and 7,271.37

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Solution

The fourth proportional to 11,713.71, 17,558.27 and 7,271.37 is: 10,899.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.71 : 17,558.27 = 7,271.37 : x
  2. Step 2: Convert to fraction form
    11,713.71/17,558.27 = 7,271.37/x
  3. Step 3: Cross multiply
    11,713.71x = 17,558.27 × 7,271.37
  4. Step 4: Simplify right side
    11,713.71x = 127,672,668.64
  5. Step 5: Solve for x
    x = 127,672,668.64/11,713.71
  6. Step 6: Final answer
    x = 10,899.42

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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.