Home / 21,074.41-29,084.05-11,642.97

Finding the Fourth Proportional to 21,074.41, 29,084.05 and 11,642.97

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Solution

The fourth proportional to 21,074.41, 29,084.05 and 11,642.97 is: 16,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074.41 : 29,084.05 = 11,642.97 : x
  2. Step 2: Convert to fraction form
    21,074.41/29,084.05 = 11,642.97/x
  3. Step 3: Cross multiply
    21,074.41x = 29,084.05 × 11,642.97
  4. Step 4: Simplify right side
    21,074.41x = 338,624,721.63
  5. Step 5: Solve for x
    x = 338,624,721.63/21,074.41
  6. Step 6: Final answer
    x = 16,068.05

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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.