Home / 19,635.75-27,097.13-11,677.80

Finding the Fourth Proportional to 19,635.75, 27,097.13 and 11,677.80

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Solution

The fourth proportional to 19,635.75, 27,097.13 and 11,677.80 is: 16,115.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,635.75 : 27,097.13 = 11,677.80 : x
  2. Step 2: Convert to fraction form
    19,635.75/27,097.13 = 11,677.80/x
  3. Step 3: Cross multiply
    19,635.75x = 27,097.13 × 11,677.80
  4. Step 4: Simplify right side
    19,635.75x = 316,434,806.33
  5. Step 5: Solve for x
    x = 316,434,806.33/19,635.75
  6. Step 6: Final answer
    x = 16,115.24

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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.