Home / 13,814.49-19,057.44-9,339.78

Finding the Fourth Proportional to 13,814.49, 19,057.44 and 9,339.78

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Solution

The fourth proportional to 13,814.49, 19,057.44 and 9,339.78 is: 12,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.49 : 19,057.44 = 9,339.78 : x
  2. Step 2: Convert to fraction form
    13,814.49/19,057.44 = 9,339.78/x
  3. Step 3: Cross multiply
    13,814.49x = 19,057.44 × 9,339.78
  4. Step 4: Simplify right side
    13,814.49x = 177,992,296.96
  5. Step 5: Solve for x
    x = 177,992,296.96/13,814.49
  6. Step 6: Final answer
    x = 12,884.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.