Home / 19,704.47-27,192.77-11,207.82

Finding the Fourth Proportional to 19,704.47, 27,192.77 and 11,207.82

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Solution

The fourth proportional to 19,704.47, 27,192.77 and 11,207.82 is: 15,467.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.47 : 27,192.77 = 11,207.82 : x
  2. Step 2: Convert to fraction form
    19,704.47/27,192.77 = 11,207.82/x
  3. Step 3: Cross multiply
    19,704.47x = 27,192.77 × 11,207.82
  4. Step 4: Simplify right side
    19,704.47x = 304,771,479.46
  5. Step 5: Solve for x
    x = 304,771,479.46/19,704.47
  6. Step 6: Final answer
    x = 15,467.12

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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.