Home / 16,119.64-24,131.94-15,722.20

Finding the Fourth Proportional to 16,119.64, 24,131.94 and 15,722.20

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Solution

The fourth proportional to 16,119.64, 24,131.94 and 15,722.20 is: 23,536.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,119.64 : 24,131.94 = 15,722.20 : x
  2. Step 2: Convert to fraction form
    16,119.64/24,131.94 = 15,722.20/x
  3. Step 3: Cross multiply
    16,119.64x = 24,131.94 × 15,722.20
  4. Step 4: Simplify right side
    16,119.64x = 379,407,187.07
  5. Step 5: Solve for x
    x = 379,407,187.07/16,119.64
  6. Step 6: Final answer
    x = 23,536.95

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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.