Home / 12,270.66-18,394.65-4,474.02

Finding the Fourth Proportional to 12,270.66, 18,394.65 and 4,474.02

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Solution

The fourth proportional to 12,270.66, 18,394.65 and 4,474.02 is: 6,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.66 : 18,394.65 = 4,474.02 : x
  2. Step 2: Convert to fraction form
    12,270.66/18,394.65 = 4,474.02/x
  3. Step 3: Cross multiply
    12,270.66x = 18,394.65 × 4,474.02
  4. Step 4: Simplify right side
    12,270.66x = 82,298,031.99
  5. Step 5: Solve for x
    x = 82,298,031.99/12,270.66
  6. Step 6: Final answer
    x = 6,706.90

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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.