Home / 19,371.32-26,728.06-11,414.28

Finding the Fourth Proportional to 19,371.32, 26,728.06 and 11,414.28

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Solution

The fourth proportional to 19,371.32, 26,728.06 and 11,414.28 is: 15,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.32 : 26,728.06 = 11,414.28 : x
  2. Step 2: Convert to fraction form
    19,371.32/26,728.06 = 11,414.28/x
  3. Step 3: Cross multiply
    19,371.32x = 26,728.06 × 11,414.28
  4. Step 4: Simplify right side
    19,371.32x = 305,081,560.70
  5. Step 5: Solve for x
    x = 305,081,560.70/19,371.32
  6. Step 6: Final answer
    x = 15,749.14

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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.