Home / 21,066.63-29,072.09-11,506.27

Finding the Fourth Proportional to 21,066.63, 29,072.09 and 11,506.27

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Solution

The fourth proportional to 21,066.63, 29,072.09 and 11,506.27 is: 15,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066.63 : 29,072.09 = 11,506.27 : x
  2. Step 2: Convert to fraction form
    21,066.63/29,072.09 = 11,506.27/x
  3. Step 3: Cross multiply
    21,066.63x = 29,072.09 × 11,506.27
  4. Step 4: Simplify right side
    21,066.63x = 334,511,317.00
  5. Step 5: Solve for x
    x = 334,511,317.00/21,066.63
  6. Step 6: Final answer
    x = 15,878.73

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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.