Home / 19,753.74-27,257.93-11,687.64

Finding the Fourth Proportional to 19,753.74, 27,257.93 and 11,687.64

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Solution

The fourth proportional to 19,753.74, 27,257.93 and 11,687.64 is: 16,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,753.74 : 27,257.93 = 11,687.64 : x
  2. Step 2: Convert to fraction form
    19,753.74/27,257.93 = 11,687.64/x
  3. Step 3: Cross multiply
    19,753.74x = 27,257.93 × 11,687.64
  4. Step 4: Simplify right side
    19,753.74x = 318,580,858.38
  5. Step 5: Solve for x
    x = 318,580,858.38/19,753.74
  6. Step 6: Final answer
    x = 16,127.62

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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.