Home / 16,755.28-25,138.59-10,519.90

Finding the Fourth Proportional to 16,755.28, 25,138.59 and 10,519.90

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Solution

The fourth proportional to 16,755.28, 25,138.59 and 10,519.90 is: 15,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,755.28 : 25,138.59 = 10,519.90 : x
  2. Step 2: Convert to fraction form
    16,755.28/25,138.59 = 10,519.90/x
  3. Step 3: Cross multiply
    16,755.28x = 25,138.59 × 10,519.90
  4. Step 4: Simplify right side
    16,755.28x = 264,455,452.94
  5. Step 5: Solve for x
    x = 264,455,452.94/16,755.28
  6. Step 6: Final answer
    x = 15,783.41

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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.