Home / 21,103.29-29,094.04-13,536.48

Finding the Fourth Proportional to 21,103.29, 29,094.04 and 13,536.48

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Solution

The fourth proportional to 21,103.29, 29,094.04 and 13,536.48 is: 18,662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,103.29 : 29,094.04 = 13,536.48 : x
  2. Step 2: Convert to fraction form
    21,103.29/29,094.04 = 13,536.48/x
  3. Step 3: Cross multiply
    21,103.29x = 29,094.04 × 13,536.48
  4. Step 4: Simplify right side
    21,103.29x = 393,830,904.94
  5. Step 5: Solve for x
    x = 393,830,904.94/21,103.29
  6. Step 6: Final answer
    x = 18,662.06

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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.