Home / 23,169.78-31,975.56-13,098.63

Finding the Fourth Proportional to 23,169.78, 31,975.56 and 13,098.63

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Solution

The fourth proportional to 23,169.78, 31,975.56 and 13,098.63 is: 18,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.78 : 31,975.56 = 13,098.63 : x
  2. Step 2: Convert to fraction form
    23,169.78/31,975.56 = 13,098.63/x
  3. Step 3: Cross multiply
    23,169.78x = 31,975.56 × 13,098.63
  4. Step 4: Simplify right side
    23,169.78x = 418,836,029.48
  5. Step 5: Solve for x
    x = 418,836,029.48/23,169.78
  6. Step 6: Final answer
    x = 18,076.82

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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.