Home / 21,141.66-29,176.41-11,710.22

Finding the Fourth Proportional to 21,141.66, 29,176.41 and 11,710.22

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Solution

The fourth proportional to 21,141.66, 29,176.41 and 11,710.22 is: 16,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141.66 : 29,176.41 = 11,710.22 : x
  2. Step 2: Convert to fraction form
    21,141.66/29,176.41 = 11,710.22/x
  3. Step 3: Cross multiply
    21,141.66x = 29,176.41 × 11,710.22
  4. Step 4: Simplify right side
    21,141.66x = 341,662,034.03
  5. Step 5: Solve for x
    x = 341,662,034.03/21,141.66
  6. Step 6: Final answer
    x = 16,160.61

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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.