Home / 23,080.43-31,850.08-13,010.91

Finding the Fourth Proportional to 23,080.43, 31,850.08 and 13,010.91

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Solution

The fourth proportional to 23,080.43, 31,850.08 and 13,010.91 is: 17,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,080.43 : 31,850.08 = 13,010.91 : x
  2. Step 2: Convert to fraction form
    23,080.43/31,850.08 = 13,010.91/x
  3. Step 3: Cross multiply
    23,080.43x = 31,850.08 × 13,010.91
  4. Step 4: Simplify right side
    23,080.43x = 414,398,491.85
  5. Step 5: Solve for x
    x = 414,398,491.85/23,080.43
  6. Step 6: Final answer
    x = 17,954.54

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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.