Home / 18,734.29-25,854.10-10,776.51

Finding the Fourth Proportional to 18,734.29, 25,854.10 and 10,776.51

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Solution

The fourth proportional to 18,734.29, 25,854.10 and 10,776.51 is: 14,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.29 : 25,854.10 = 10,776.51 : x
  2. Step 2: Convert to fraction form
    18,734.29/25,854.10 = 10,776.51/x
  3. Step 3: Cross multiply
    18,734.29x = 25,854.10 × 10,776.51
  4. Step 4: Simplify right side
    18,734.29x = 278,616,940.25
  5. Step 5: Solve for x
    x = 278,616,940.25/18,734.29
  6. Step 6: Final answer
    x = 14,872.03

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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.