Home / 15,887.81-23,814.44-11,965.25

Finding the Fourth Proportional to 15,887.81, 23,814.44 and 11,965.25

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Solution

The fourth proportional to 15,887.81, 23,814.44 and 11,965.25 is: 17,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,887.81 : 23,814.44 = 11,965.25 : x
  2. Step 2: Convert to fraction form
    15,887.81/23,814.44 = 11,965.25/x
  3. Step 3: Cross multiply
    15,887.81x = 23,814.44 × 11,965.25
  4. Step 4: Simplify right side
    15,887.81x = 284,945,668.38
  5. Step 5: Solve for x
    x = 284,945,668.38/15,887.81
  6. Step 6: Final answer
    x = 17,934.86

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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.