Home / 18,927.47-26,119.91-10,974.31

Finding the Fourth Proportional to 18,927.47, 26,119.91 and 10,974.31

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Solution

The fourth proportional to 18,927.47, 26,119.91 and 10,974.31 is: 15,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927.47 : 26,119.91 = 10,974.31 : x
  2. Step 2: Convert to fraction form
    18,927.47/26,119.91 = 10,974.31/x
  3. Step 3: Cross multiply
    18,927.47x = 26,119.91 × 10,974.31
  4. Step 4: Simplify right side
    18,927.47x = 286,647,951.65
  5. Step 5: Solve for x
    x = 286,647,951.65/18,927.47
  6. Step 6: Final answer
    x = 15,144.54

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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.