Home / 12,427.89-18,641.82-4,530.99

Finding the Fourth Proportional to 12,427.89, 18,641.82 and 4,530.99

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Solution

The fourth proportional to 12,427.89, 18,641.82 and 4,530.99 is: 6,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.89 : 18,641.82 = 4,530.99 : x
  2. Step 2: Convert to fraction form
    12,427.89/18,641.82 = 4,530.99/x
  3. Step 3: Cross multiply
    12,427.89x = 18,641.82 × 4,530.99
  4. Step 4: Simplify right side
    12,427.89x = 84,465,900.00
  5. Step 5: Solve for x
    x = 84,465,900.00/12,427.89
  6. Step 6: Final answer
    x = 6,796.48

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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.