Home / 19,687.61-27,168.83-10,735.09

Finding the Fourth Proportional to 19,687.61, 27,168.83 and 10,735.09

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Solution

The fourth proportional to 19,687.61, 27,168.83 and 10,735.09 is: 14,814.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.61 : 27,168.83 = 10,735.09 : x
  2. Step 2: Convert to fraction form
    19,687.61/27,168.83 = 10,735.09/x
  3. Step 3: Cross multiply
    19,687.61x = 27,168.83 × 10,735.09
  4. Step 4: Simplify right side
    19,687.61x = 291,659,753.90
  5. Step 5: Solve for x
    x = 291,659,753.90/19,687.61
  6. Step 6: Final answer
    x = 14,814.38

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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.