Home / 12,619.06-17,414.30-7,316.96

Finding the Fourth Proportional to 12,619.06, 17,414.30 and 7,316.96

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Solution

The fourth proportional to 12,619.06, 17,414.30 and 7,316.96 is: 10,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.06 : 17,414.30 = 7,316.96 : x
  2. Step 2: Convert to fraction form
    12,619.06/17,414.30 = 7,316.96/x
  3. Step 3: Cross multiply
    12,619.06x = 17,414.30 × 7,316.96
  4. Step 4: Simplify right side
    12,619.06x = 127,419,667.75
  5. Step 5: Solve for x
    x = 127,419,667.75/12,619.06
  6. Step 6: Final answer
    x = 10,097.40

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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.