Home / 15,687.26-23,511.75-12,004.90

Finding the Fourth Proportional to 15,687.26, 23,511.75 and 12,004.90

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Solution

The fourth proportional to 15,687.26, 23,511.75 and 12,004.90 is: 17,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687.26 : 23,511.75 = 12,004.90 : x
  2. Step 2: Convert to fraction form
    15,687.26/23,511.75 = 12,004.90/x
  3. Step 3: Cross multiply
    15,687.26x = 23,511.75 × 12,004.90
  4. Step 4: Simplify right side
    15,687.26x = 282,256,207.58
  5. Step 5: Solve for x
    x = 282,256,207.58/15,687.26
  6. Step 6: Final answer
    x = 17,992.70

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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.