Home / 19,076.87-26,324.65-10,691.75

Finding the Fourth Proportional to 19,076.87, 26,324.65 and 10,691.75

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Solution

The fourth proportional to 19,076.87, 26,324.65 and 10,691.75 is: 14,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.87 : 26,324.65 = 10,691.75 : x
  2. Step 2: Convert to fraction form
    19,076.87/26,324.65 = 10,691.75/x
  3. Step 3: Cross multiply
    19,076.87x = 26,324.65 × 10,691.75
  4. Step 4: Simplify right side
    19,076.87x = 281,456,576.64
  5. Step 5: Solve for x
    x = 281,456,576.64/19,076.87
  6. Step 6: Final answer
    x = 14,753.81

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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.