Home / 23,122.41-31,910.63-13,051.75

Finding the Fourth Proportional to 23,122.41, 31,910.63 and 13,051.75

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Solution

The fourth proportional to 23,122.41, 31,910.63 and 13,051.75 is: 18,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,122.41 : 31,910.63 = 13,051.75 : x
  2. Step 2: Convert to fraction form
    23,122.41/31,910.63 = 13,051.75/x
  3. Step 3: Cross multiply
    23,122.41x = 31,910.63 × 13,051.75
  4. Step 4: Simplify right side
    23,122.41x = 416,489,420.07
  5. Step 5: Solve for x
    x = 416,489,420.07/23,122.41
  6. Step 6: Final answer
    x = 18,012.37

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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.