Home / 13,819.15-19,055.37-9,335.12

Finding the Fourth Proportional to 13,819.15, 19,055.37 and 9,335.12

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Solution

The fourth proportional to 13,819.15, 19,055.37 and 9,335.12 is: 12,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.15 : 19,055.37 = 9,335.12 : x
  2. Step 2: Convert to fraction form
    13,819.15/19,055.37 = 9,335.12/x
  3. Step 3: Cross multiply
    13,819.15x = 19,055.37 × 9,335.12
  4. Step 4: Simplify right side
    13,819.15x = 177,884,165.59
  5. Step 5: Solve for x
    x = 177,884,165.59/13,819.15
  6. Step 6: Final answer
    x = 12,872.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.