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Finding the Fourth Proportional to 12,240.01, 16,891.01 and 7,203.63

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Solution

The fourth proportional to 12,240.01, 16,891.01 and 7,203.63 is: 9,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.01 : 16,891.01 = 7,203.63 : x
  2. Step 2: Convert to fraction form
    12,240.01/16,891.01 = 7,203.63/x
  3. Step 3: Cross multiply
    12,240.01x = 16,891.01 × 7,203.63
  4. Step 4: Simplify right side
    12,240.01x = 121,676,586.37
  5. Step 5: Solve for x
    x = 121,676,586.37/12,240.01
  6. Step 6: Final answer
    x = 9,940.89

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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.