Home / 21,062.64-29,066.43-11,631.18

Finding the Fourth Proportional to 21,062.64, 29,066.43 and 11,631.18

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Solution

The fourth proportional to 21,062.64, 29,066.43 and 11,631.18 is: 16,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.64 : 29,066.43 = 11,631.18 : x
  2. Step 2: Convert to fraction form
    21,062.64/29,066.43 = 11,631.18/x
  3. Step 3: Cross multiply
    21,062.64x = 29,066.43 × 11,631.18
  4. Step 4: Simplify right side
    21,062.64x = 338,076,879.29
  5. Step 5: Solve for x
    x = 338,076,879.29/21,062.64
  6. Step 6: Final answer
    x = 16,051.02

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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.