Home / 18,664.90-27,997.30-15,371.04

Finding the Fourth Proportional to 18,664.90, 27,997.30 and 15,371.04

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Solution

The fourth proportional to 18,664.90, 27,997.30 and 15,371.04 is: 23,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.90 : 27,997.30 = 15,371.04 : x
  2. Step 2: Convert to fraction form
    18,664.90/27,997.30 = 15,371.04/x
  3. Step 3: Cross multiply
    18,664.90x = 27,997.30 × 15,371.04
  4. Step 4: Simplify right side
    18,664.90x = 430,347,628.14
  5. Step 5: Solve for x
    x = 430,347,628.14/18,664.90
  6. Step 6: Final answer
    x = 23,056.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.