Home / 12,808.10-19,198.99-4,908.47

Finding the Fourth Proportional to 12,808.10, 19,198.99 and 4,908.47

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Solution

The fourth proportional to 12,808.10, 19,198.99 and 4,908.47 is: 7,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.10 : 19,198.99 = 4,908.47 : x
  2. Step 2: Convert to fraction form
    12,808.10/19,198.99 = 4,908.47/x
  3. Step 3: Cross multiply
    12,808.10x = 19,198.99 × 4,908.47
  4. Step 4: Simplify right side
    12,808.10x = 94,237,666.45
  5. Step 5: Solve for x
    x = 94,237,666.45/12,808.10
  6. Step 6: Final answer
    x = 7,357.66

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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.