Home / 12,542.40-18,813.39-3,054.75

Finding the Fourth Proportional to 12,542.40, 18,813.39 and 3,054.75

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Solution

The fourth proportional to 12,542.40, 18,813.39 and 3,054.75 is: 4,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.40 : 18,813.39 = 3,054.75 : x
  2. Step 2: Convert to fraction form
    12,542.40/18,813.39 = 3,054.75/x
  3. Step 3: Cross multiply
    12,542.40x = 18,813.39 × 3,054.75
  4. Step 4: Simplify right side
    12,542.40x = 57,470,203.10
  5. Step 5: Solve for x
    x = 57,470,203.10/12,542.40
  6. Step 6: Final answer
    x = 4,582.07

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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.