Home / 13,705.12-18,899.52-11,044

Finding the Fourth Proportional to 13,705.12, 18,899.52 and 11,044

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Solution

The fourth proportional to 13,705.12, 18,899.52 and 11,044 is: 15,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705.12 : 18,899.52 = 11,044 : x
  2. Step 2: Convert to fraction form
    13,705.12/18,899.52 = 11,044/x
  3. Step 3: Cross multiply
    13,705.12x = 18,899.52 × 11,044
  4. Step 4: Simplify right side
    13,705.12x = 208,726,298.88
  5. Step 5: Solve for x
    x = 208,726,298.88/13,705.12
  6. Step 6: Final answer
    x = 15,229.80

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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.