Home / 12,127.73-18,191.59-4,334.99

Finding the Fourth Proportional to 12,127.73, 18,191.59 and 4,334.99

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Solution

The fourth proportional to 12,127.73, 18,191.59 and 4,334.99 is: 6,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.73 : 18,191.59 = 4,334.99 : x
  2. Step 2: Convert to fraction form
    12,127.73/18,191.59 = 4,334.99/x
  3. Step 3: Cross multiply
    12,127.73x = 18,191.59 × 4,334.99
  4. Step 4: Simplify right side
    12,127.73x = 78,860,258.94
  5. Step 5: Solve for x
    x = 78,860,258.94/12,127.73
  6. Step 6: Final answer
    x = 6,502.48

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Double scale
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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.