Home / 12,388.36-18,566.34-10,738.12

Finding the Fourth Proportional to 12,388.36, 18,566.34 and 10,738.12

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Solution

The fourth proportional to 12,388.36, 18,566.34 and 10,738.12 is: 16,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388.36 : 18,566.34 = 10,738.12 : x
  2. Step 2: Convert to fraction form
    12,388.36/18,566.34 = 10,738.12/x
  3. Step 3: Cross multiply
    12,388.36x = 18,566.34 × 10,738.12
  4. Step 4: Simplify right side
    12,388.36x = 199,367,586.88
  5. Step 5: Solve for x
    x = 199,367,586.88/12,388.36
  6. Step 6: Final answer
    x = 16,093.14

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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.