Home / 12,839.97-19,250.61-8,669.63

Finding the Fourth Proportional to 12,839.97, 19,250.61 and 8,669.63

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Solution

The fourth proportional to 12,839.97, 19,250.61 and 8,669.63 is: 12,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839.97 : 19,250.61 = 8,669.63 : x
  2. Step 2: Convert to fraction form
    12,839.97/19,250.61 = 8,669.63/x
  3. Step 3: Cross multiply
    12,839.97x = 19,250.61 × 8,669.63
  4. Step 4: Simplify right side
    12,839.97x = 166,895,730.36
  5. Step 5: Solve for x
    x = 166,895,730.36/12,839.97
  6. Step 6: Final answer
    x = 12,998.14

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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.