Home / 21,262.44-29,322.18-13,701.48

Finding the Fourth Proportional to 21,262.44, 29,322.18 and 13,701.48

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Solution

The fourth proportional to 21,262.44, 29,322.18 and 13,701.48 is: 18,895.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,262.44 : 29,322.18 = 13,701.48 : x
  2. Step 2: Convert to fraction form
    21,262.44/29,322.18 = 13,701.48/x
  3. Step 3: Cross multiply
    21,262.44x = 29,322.18 × 13,701.48
  4. Step 4: Simplify right side
    21,262.44x = 401,757,262.83
  5. Step 5: Solve for x
    x = 401,757,262.83/21,262.44
  6. Step 6: Final answer
    x = 18,895.16

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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.