Home / 12,623.83-17,418.08-7,245.94

Finding the Fourth Proportional to 12,623.83, 17,418.08 and 7,245.94

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Solution

The fourth proportional to 12,623.83, 17,418.08 and 7,245.94 is: 9,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.83 : 17,418.08 = 7,245.94 : x
  2. Step 2: Convert to fraction form
    12,623.83/17,418.08 = 7,245.94/x
  3. Step 3: Cross multiply
    12,623.83x = 17,418.08 × 7,245.94
  4. Step 4: Simplify right side
    12,623.83x = 126,210,362.60
  5. Step 5: Solve for x
    x = 126,210,362.60/12,623.83
  6. Step 6: Final answer
    x = 9,997.79

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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.