Home / 19,654.37-27,141.05-12,486.60

Finding the Fourth Proportional to 19,654.37, 27,141.05 and 12,486.60

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Solution

The fourth proportional to 19,654.37, 27,141.05 and 12,486.60 is: 17,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.37 : 27,141.05 = 12,486.60 : x
  2. Step 2: Convert to fraction form
    19,654.37/27,141.05 = 12,486.60/x
  3. Step 3: Cross multiply
    19,654.37x = 27,141.05 × 12,486.60
  4. Step 4: Simplify right side
    19,654.37x = 338,899,434.93
  5. Step 5: Solve for x
    x = 338,899,434.93/19,654.37
  6. Step 6: Final answer
    x = 17,242.96

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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.