Home / 23,147.12-31,941.14-13,076.44

Finding the Fourth Proportional to 23,147.12, 31,941.14 and 13,076.44

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Solution

The fourth proportional to 23,147.12, 31,941.14 and 13,076.44 is: 18,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.12 : 31,941.14 = 13,076.44 : x
  2. Step 2: Convert to fraction form
    23,147.12/31,941.14 = 13,076.44/x
  3. Step 3: Cross multiply
    23,147.12x = 31,941.14 × 13,076.44
  4. Step 4: Simplify right side
    23,147.12x = 417,676,255.51
  5. Step 5: Solve for x
    x = 417,676,255.51/23,147.12
  6. Step 6: Final answer
    x = 18,044.42

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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.