Home / 19,332.44-26,678.31-11,375.18

Finding the Fourth Proportional to 19,332.44, 26,678.31 and 11,375.18

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Solution

The fourth proportional to 19,332.44, 26,678.31 and 11,375.18 is: 15,697.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.44 : 26,678.31 = 11,375.18 : x
  2. Step 2: Convert to fraction form
    19,332.44/26,678.31 = 11,375.18/x
  3. Step 3: Cross multiply
    19,332.44x = 26,678.31 × 11,375.18
  4. Step 4: Simplify right side
    19,332.44x = 303,470,511.65
  5. Step 5: Solve for x
    x = 303,470,511.65/19,332.44
  6. Step 6: Final answer
    x = 15,697.48

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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.