Home / 12,273.20-16,937.72-7,240.36

Finding the Fourth Proportional to 12,273.20, 16,937.72 and 7,240.36

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Solution

The fourth proportional to 12,273.20, 16,937.72 and 7,240.36 is: 9,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.20 : 16,937.72 = 7,240.36 : x
  2. Step 2: Convert to fraction form
    12,273.20/16,937.72 = 7,240.36/x
  3. Step 3: Cross multiply
    12,273.20x = 16,937.72 × 7,240.36
  4. Step 4: Simplify right side
    12,273.20x = 122,635,190.38
  5. Step 5: Solve for x
    x = 122,635,190.38/12,273.20
  6. Step 6: Final answer
    x = 9,992.11

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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.