Home / 19,619.82-27,068.58-12,550.14

Finding the Fourth Proportional to 19,619.82, 27,068.58 and 12,550.14

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Solution

The fourth proportional to 19,619.82, 27,068.58 and 12,550.14 is: 17,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.82 : 27,068.58 = 12,550.14 : x
  2. Step 2: Convert to fraction form
    19,619.82/27,068.58 = 12,550.14/x
  3. Step 3: Cross multiply
    19,619.82x = 27,068.58 × 12,550.14
  4. Step 4: Simplify right side
    19,619.82x = 339,714,468.60
  5. Step 5: Solve for x
    x = 339,714,468.60/19,619.82
  6. Step 6: Final answer
    x = 17,314.86

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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.