Home / 21,348.66-29,451.14-13,797.36

Finding the Fourth Proportional to 21,348.66, 29,451.14 and 13,797.36

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Solution

The fourth proportional to 21,348.66, 29,451.14 and 13,797.36 is: 19,033.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.66 : 29,451.14 = 13,797.36 : x
  2. Step 2: Convert to fraction form
    21,348.66/29,451.14 = 13,797.36/x
  3. Step 3: Cross multiply
    21,348.66x = 29,451.14 × 13,797.36
  4. Step 4: Simplify right side
    21,348.66x = 406,347,980.99
  5. Step 5: Solve for x
    x = 406,347,980.99/21,348.66
  6. Step 6: Final answer
    x = 19,033.89

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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.