Home / 12,327.30-17,009.44-7,288.99

Finding the Fourth Proportional to 12,327.30, 17,009.44 and 7,288.99

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Solution

The fourth proportional to 12,327.30, 17,009.44 and 7,288.99 is: 10,057.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.30 : 17,009.44 = 7,288.99 : x
  2. Step 2: Convert to fraction form
    12,327.30/17,009.44 = 7,288.99/x
  3. Step 3: Cross multiply
    12,327.30x = 17,009.44 × 7,288.99
  4. Step 4: Simplify right side
    12,327.30x = 123,981,638.07
  5. Step 5: Solve for x
    x = 123,981,638.07/12,327.30
  6. Step 6: Final answer
    x = 10,057.49

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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.