Home / 16,803.88-25,209.56-5,118

Finding the Fourth Proportional to 16,803.88, 25,209.56 and 5,118

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Solution

The fourth proportional to 16,803.88, 25,209.56 and 5,118 is: 7,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.88 : 25,209.56 = 5,118 : x
  2. Step 2: Convert to fraction form
    16,803.88/25,209.56 = 5,118/x
  3. Step 3: Cross multiply
    16,803.88x = 25,209.56 × 5,118
  4. Step 4: Simplify right side
    16,803.88x = 129,022,528.08
  5. Step 5: Solve for x
    x = 129,022,528.08/16,803.88
  6. Step 6: Final answer
    x = 7,678.14

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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.