Home / 12,400.51-18,559.24-10,179.26

Finding the Fourth Proportional to 12,400.51, 18,559.24 and 10,179.26

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Solution

The fourth proportional to 12,400.51, 18,559.24 and 10,179.26 is: 15,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.51 : 18,559.24 = 10,179.26 : x
  2. Step 2: Convert to fraction form
    12,400.51/18,559.24 = 10,179.26/x
  3. Step 3: Cross multiply
    12,400.51x = 18,559.24 × 10,179.26
  4. Step 4: Simplify right side
    12,400.51x = 188,919,329.36
  5. Step 5: Solve for x
    x = 188,919,329.36/12,400.51
  6. Step 6: Final answer
    x = 15,234.80

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1.5x scale

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.