Home / 12,557.25-17,327.19-8,087.07

Finding the Fourth Proportional to 12,557.25, 17,327.19 and 8,087.07

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Solution

The fourth proportional to 12,557.25, 17,327.19 and 8,087.07 is: 11,158.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.25 : 17,327.19 = 8,087.07 : x
  2. Step 2: Convert to fraction form
    12,557.25/17,327.19 = 8,087.07/x
  3. Step 3: Cross multiply
    12,557.25x = 17,327.19 × 8,087.07
  4. Step 4: Simplify right side
    12,557.25x = 140,126,198.43
  5. Step 5: Solve for x
    x = 140,126,198.43/12,557.25
  6. Step 6: Final answer
    x = 11,158.99

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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.