Home / 15,869.03-21,899.97-9,063.64

Finding the Fourth Proportional to 15,869.03, 21,899.97 and 9,063.64

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Solution

The fourth proportional to 15,869.03, 21,899.97 and 9,063.64 is: 12,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,869.03 : 21,899.97 = 9,063.64 : x
  2. Step 2: Convert to fraction form
    15,869.03/21,899.97 = 9,063.64/x
  3. Step 3: Cross multiply
    15,869.03x = 21,899.97 × 9,063.64
  4. Step 4: Simplify right side
    15,869.03x = 198,493,554.04
  5. Step 5: Solve for x
    x = 198,493,554.04/15,869.03
  6. Step 6: Final answer
    x = 12,508.24

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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.