Home / 12,542.10-18,812.96-3,054.51

Finding the Fourth Proportional to 12,542.10, 18,812.96 and 3,054.51

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Solution

The fourth proportional to 12,542.10, 18,812.96 and 3,054.51 is: 4,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.10 : 18,812.96 = 3,054.51 : x
  2. Step 2: Convert to fraction form
    12,542.10/18,812.96 = 3,054.51/x
  3. Step 3: Cross multiply
    12,542.10x = 18,812.96 × 3,054.51
  4. Step 4: Simplify right side
    12,542.10x = 57,464,265.11
  5. Step 5: Solve for x
    x = 57,464,265.11/12,542.10
  6. Step 6: Final answer
    x = 4,581.71

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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.