Home / 12,814.78-19,208.97-9,296.02

Finding the Fourth Proportional to 12,814.78, 19,208.97 and 9,296.02

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Solution

The fourth proportional to 12,814.78, 19,208.97 and 9,296.02 is: 13,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814.78 : 19,208.97 = 9,296.02 : x
  2. Step 2: Convert to fraction form
    12,814.78/19,208.97 = 9,296.02/x
  3. Step 3: Cross multiply
    12,814.78x = 19,208.97 × 9,296.02
  4. Step 4: Simplify right side
    12,814.78x = 178,566,969.30
  5. Step 5: Solve for x
    x = 178,566,969.30/12,814.78
  6. Step 6: Final answer
    x = 13,934.45

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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.