Home / 12,058.20-18,087.30-7,924.50

Finding the Fourth Proportional to 12,058.20, 18,087.30 and 7,924.50

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Solution

The fourth proportional to 12,058.20, 18,087.30 and 7,924.50 is: 11,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,058.20 : 18,087.30 = 7,924.50 : x
  2. Step 2: Convert to fraction form
    12,058.20/18,087.30 = 7,924.50/x
  3. Step 3: Cross multiply
    12,058.20x = 18,087.30 × 7,924.50
  4. Step 4: Simplify right side
    12,058.20x = 143,332,808.85
  5. Step 5: Solve for x
    x = 143,332,808.85/12,058.20
  6. Step 6: Final answer
    x = 11,886.75

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Similar ratio
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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.