Home / 16,380.95-24,536.58-12,388.32

Finding the Fourth Proportional to 16,380.95, 24,536.58 and 12,388.32

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Solution

The fourth proportional to 16,380.95, 24,536.58 and 12,388.32 is: 18,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,380.95 : 24,536.58 = 12,388.32 : x
  2. Step 2: Convert to fraction form
    16,380.95/24,536.58 = 12,388.32/x
  3. Step 3: Cross multiply
    16,380.95x = 24,536.58 × 12,388.32
  4. Step 4: Simplify right side
    16,380.95x = 303,967,004.75
  5. Step 5: Solve for x
    x = 303,967,004.75/16,380.95
  6. Step 6: Final answer
    x = 18,556.13

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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.