Home / 19,717.35-27,209.73-10,764.82

Finding the Fourth Proportional to 19,717.35, 27,209.73 and 10,764.82

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Solution

The fourth proportional to 19,717.35, 27,209.73 and 10,764.82 is: 14,855.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.35 : 27,209.73 = 10,764.82 : x
  2. Step 2: Convert to fraction form
    19,717.35/27,209.73 = 10,764.82/x
  3. Step 3: Cross multiply
    19,717.35x = 27,209.73 × 10,764.82
  4. Step 4: Simplify right side
    19,717.35x = 292,907,845.70
  5. Step 5: Solve for x
    x = 292,907,845.70/19,717.35
  6. Step 6: Final answer
    x = 14,855.34

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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.