Home / 21,496.06-29,664.15-11,935.45

Finding the Fourth Proportional to 21,496.06, 29,664.15 and 11,935.45

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Solution

The fourth proportional to 21,496.06, 29,664.15 and 11,935.45 is: 16,470.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496.06 : 29,664.15 = 11,935.45 : x
  2. Step 2: Convert to fraction form
    21,496.06/29,664.15 = 11,935.45/x
  3. Step 3: Cross multiply
    21,496.06x = 29,664.15 × 11,935.45
  4. Step 4: Simplify right side
    21,496.06x = 354,054,993.60
  5. Step 5: Solve for x
    x = 354,054,993.60/21,496.06
  6. Step 6: Final answer
    x = 16,470.69

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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.