Home / 19,709.91-27,199.79-10,757.63

Finding the Fourth Proportional to 19,709.91, 27,199.79 and 10,757.63

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Solution

The fourth proportional to 19,709.91, 27,199.79 and 10,757.63 is: 14,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.91 : 27,199.79 = 10,757.63 : x
  2. Step 2: Convert to fraction form
    19,709.91/27,199.79 = 10,757.63/x
  3. Step 3: Cross multiply
    19,709.91x = 27,199.79 × 10,757.63
  4. Step 4: Simplify right side
    19,709.91x = 292,605,087.11
  5. Step 5: Solve for x
    x = 292,605,087.11/19,709.91
  6. Step 6: Final answer
    x = 14,845.58

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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.