Home / 12,295.21-18,442.82-5,270.66

Finding the Fourth Proportional to 12,295.21, 18,442.82 and 5,270.66

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Solution

The fourth proportional to 12,295.21, 18,442.82 and 5,270.66 is: 7,905.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.21 : 18,442.82 = 5,270.66 : x
  2. Step 2: Convert to fraction form
    12,295.21/18,442.82 = 5,270.66/x
  3. Step 3: Cross multiply
    12,295.21x = 18,442.82 × 5,270.66
  4. Step 4: Simplify right side
    12,295.21x = 97,205,833.66
  5. Step 5: Solve for x
    x = 97,205,833.66/12,295.21
  6. Step 6: Final answer
    x = 7,905.99

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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.