Home / 12,845.28-17,721.24-10,182

Finding the Fourth Proportional to 12,845.28, 17,721.24 and 10,182

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Solution

The fourth proportional to 12,845.28, 17,721.24 and 10,182 is: 14,047.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.28 : 17,721.24 = 10,182 : x
  2. Step 2: Convert to fraction form
    12,845.28/17,721.24 = 10,182/x
  3. Step 3: Cross multiply
    12,845.28x = 17,721.24 × 10,182
  4. Step 4: Simplify right side
    12,845.28x = 180,437,665.68
  5. Step 5: Solve for x
    x = 180,437,665.68/12,845.28
  6. Step 6: Final answer
    x = 14,047.00

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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.