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Finding the Fourth Proportional to 12,895, 17,794.14 and 7,305.88

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Solution

The fourth proportional to 12,895, 17,794.14 and 7,305.88 is: 10,081.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895 : 17,794.14 = 7,305.88 : x
  2. Step 2: Convert to fraction form
    12,895/17,794.14 = 7,305.88/x
  3. Step 3: Cross multiply
    12,895x = 17,794.14 × 7,305.88
  4. Step 4: Simplify right side
    12,895x = 130,001,851.54
  5. Step 5: Solve for x
    x = 130,001,851.54/12,895
  6. Step 6: Final answer
    x = 10,081.57

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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.