Home / 21,373.62-29,468.61-13,807.14

Finding the Fourth Proportional to 21,373.62, 29,468.61 and 13,807.14

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Solution

The fourth proportional to 21,373.62, 29,468.61 and 13,807.14 is: 19,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.62 : 29,468.61 = 13,807.14 : x
  2. Step 2: Convert to fraction form
    21,373.62/29,468.61 = 13,807.14/x
  3. Step 3: Cross multiply
    21,373.62x = 29,468.61 × 13,807.14
  4. Step 4: Simplify right side
    21,373.62x = 406,877,223.88
  5. Step 5: Solve for x
    x = 406,877,223.88/21,373.62
  6. Step 6: Final answer
    x = 19,036.42

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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.