Home / 12,814.31-19,227.01-6,884.28

Finding the Fourth Proportional to 12,814.31, 19,227.01 and 6,884.28

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Solution

The fourth proportional to 12,814.31, 19,227.01 and 6,884.28 is: 10,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814.31 : 19,227.01 = 6,884.28 : x
  2. Step 2: Convert to fraction form
    12,814.31/19,227.01 = 6,884.28/x
  3. Step 3: Cross multiply
    12,814.31x = 19,227.01 × 6,884.28
  4. Step 4: Simplify right side
    12,814.31x = 132,363,989.85
  5. Step 5: Solve for x
    x = 132,363,989.85/12,814.31
  6. Step 6: Final answer
    x = 10,329.39

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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.