Home / 19,717.68-27,209.88-10,764.72

Finding the Fourth Proportional to 19,717.68, 27,209.88 and 10,764.72

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Solution

The fourth proportional to 19,717.68, 27,209.88 and 10,764.72 is: 14,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.68 : 27,209.88 = 10,764.72 : x
  2. Step 2: Convert to fraction form
    19,717.68/27,209.88 = 10,764.72/x
  3. Step 3: Cross multiply
    19,717.68x = 27,209.88 × 10,764.72
  4. Step 4: Simplify right side
    19,717.68x = 292,906,739.43
  5. Step 5: Solve for x
    x = 292,906,739.43/19,717.68
  6. Step 6: Final answer
    x = 14,855.03

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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.