Home / 19,703.09-29,554.64-11,895.41

Finding the Fourth Proportional to 19,703.09, 29,554.64 and 11,895.41

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Solution

The fourth proportional to 19,703.09, 29,554.64 and 11,895.41 is: 17,843.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.09 : 29,554.64 = 11,895.41 : x
  2. Step 2: Convert to fraction form
    19,703.09/29,554.64 = 11,895.41/x
  3. Step 3: Cross multiply
    19,703.09x = 29,554.64 × 11,895.41
  4. Step 4: Simplify right side
    19,703.09x = 351,564,560.20
  5. Step 5: Solve for x
    x = 351,564,560.20/19,703.09
  6. Step 6: Final answer
    x = 17,843.12

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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.