Home / 12,723.77-17,559.50-8,251.36

Finding the Fourth Proportional to 12,723.77, 17,559.50 and 8,251.36

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Solution

The fourth proportional to 12,723.77, 17,559.50 and 8,251.36 is: 11,387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.77 : 17,559.50 = 8,251.36 : x
  2. Step 2: Convert to fraction form
    12,723.77/17,559.50 = 8,251.36/x
  3. Step 3: Cross multiply
    12,723.77x = 17,559.50 × 8,251.36
  4. Step 4: Simplify right side
    12,723.77x = 144,889,755.92
  5. Step 5: Solve for x
    x = 144,889,755.92/12,723.77
  6. Step 6: Final answer
    x = 11,387.33

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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.