Home / 21,366.33-29,485.58-11,806.48

Finding the Fourth Proportional to 21,366.33, 29,485.58 and 11,806.48

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Solution

The fourth proportional to 21,366.33, 29,485.58 and 11,806.48 is: 16,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366.33 : 29,485.58 = 11,806.48 : x
  2. Step 2: Convert to fraction form
    21,366.33/29,485.58 = 11,806.48/x
  3. Step 3: Cross multiply
    21,366.33x = 29,485.58 × 11,806.48
  4. Step 4: Simplify right side
    21,366.33x = 348,120,867.74
  5. Step 5: Solve for x
    x = 348,120,867.74/21,366.33
  6. Step 6: Final answer
    x = 16,292.97

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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.