Home / 16,783.88-25,175.81-4,471.88

Finding the Fourth Proportional to 16,783.88, 25,175.81 and 4,471.88

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Solution

The fourth proportional to 16,783.88, 25,175.81 and 4,471.88 is: 6,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.88 : 25,175.81 = 4,471.88 : x
  2. Step 2: Convert to fraction form
    16,783.88/25,175.81 = 4,471.88/x
  3. Step 3: Cross multiply
    16,783.88x = 25,175.81 × 4,471.88
  4. Step 4: Simplify right side
    16,783.88x = 112,583,086.52
  5. Step 5: Solve for x
    x = 112,583,086.52/16,783.88
  6. Step 6: Final answer
    x = 6,707.81

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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.