Home / 18,658.41-27,996.59-11,636.63

Finding the Fourth Proportional to 18,658.41, 27,996.59 and 11,636.63

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Solution

The fourth proportional to 18,658.41, 27,996.59 and 11,636.63 is: 17,460.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,658.41 : 27,996.59 = 11,636.63 : x
  2. Step 2: Convert to fraction form
    18,658.41/27,996.59 = 11,636.63/x
  3. Step 3: Cross multiply
    18,658.41x = 27,996.59 × 11,636.63
  4. Step 4: Simplify right side
    18,658.41x = 325,785,760.93
  5. Step 5: Solve for x
    x = 325,785,760.93/18,658.41
  6. Step 6: Final answer
    x = 17,460.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.