Home / 12,270.04-16,937.76-9,286.72

Finding the Fourth Proportional to 12,270.04, 16,937.76 and 9,286.72

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Solution

The fourth proportional to 12,270.04, 16,937.76 and 9,286.72 is: 12,819.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.04 : 16,937.76 = 9,286.72 : x
  2. Step 2: Convert to fraction form
    12,270.04/16,937.76 = 9,286.72/x
  3. Step 3: Cross multiply
    12,270.04x = 16,937.76 × 9,286.72
  4. Step 4: Simplify right side
    12,270.04x = 157,296,234.55
  5. Step 5: Solve for x
    x = 157,296,234.55/12,270.04
  6. Step 6: Final answer
    x = 12,819.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.