Home / 21,927.75-30,260.26-11,856.16

Finding the Fourth Proportional to 21,927.75, 30,260.26 and 11,856.16

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Solution

The fourth proportional to 21,927.75, 30,260.26 and 11,856.16 is: 16,361.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.75 : 30,260.26 = 11,856.16 : x
  2. Step 2: Convert to fraction form
    21,927.75/30,260.26 = 11,856.16/x
  3. Step 3: Cross multiply
    21,927.75x = 30,260.26 × 11,856.16
  4. Step 4: Simplify right side
    21,927.75x = 358,770,460.95
  5. Step 5: Solve for x
    x = 358,770,460.95/21,927.75
  6. Step 6: Final answer
    x = 16,361.48

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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.