Home / 16,832.56-25,249.12-5,145.88

Finding the Fourth Proportional to 16,832.56, 25,249.12 and 5,145.88

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Solution

The fourth proportional to 16,832.56, 25,249.12 and 5,145.88 is: 7,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,832.56 : 25,249.12 = 5,145.88 : x
  2. Step 2: Convert to fraction form
    16,832.56/25,249.12 = 5,145.88/x
  3. Step 3: Cross multiply
    16,832.56x = 25,249.12 × 5,145.88
  4. Step 4: Simplify right side
    16,832.56x = 129,928,941.63
  5. Step 5: Solve for x
    x = 129,928,941.63/16,832.56
  6. Step 6: Final answer
    x = 7,718.91

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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.