Home / 19,288.19-26,617.92-11,330.75

Finding the Fourth Proportional to 19,288.19, 26,617.92 and 11,330.75

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Solution

The fourth proportional to 19,288.19, 26,617.92 and 11,330.75 is: 15,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.19 : 26,617.92 = 11,330.75 : x
  2. Step 2: Convert to fraction form
    19,288.19/26,617.92 = 11,330.75/x
  3. Step 3: Cross multiply
    19,288.19x = 26,617.92 × 11,330.75
  4. Step 4: Simplify right side
    19,288.19x = 301,601,021.09
  5. Step 5: Solve for x
    x = 301,601,021.09/19,288.19
  6. Step 6: Final answer
    x = 15,636.56

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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.