Home / 19,342.08-29,001.12-8,940.48

Finding the Fourth Proportional to 19,342.08, 29,001.12 and 8,940.48

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Solution

The fourth proportional to 19,342.08, 29,001.12 and 8,940.48 is: 13,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.08 : 29,001.12 = 8,940.48 : x
  2. Step 2: Convert to fraction form
    19,342.08/29,001.12 = 8,940.48/x
  3. Step 3: Cross multiply
    19,342.08x = 29,001.12 × 8,940.48
  4. Step 4: Simplify right side
    19,342.08x = 259,283,933.34
  5. Step 5: Solve for x
    x = 259,283,933.34/19,342.08
  6. Step 6: Final answer
    x = 13,405.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.