Home / 19,971.54-27,548.50-12,799.04

Finding the Fourth Proportional to 19,971.54, 27,548.50 and 12,799.04

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Solution

The fourth proportional to 19,971.54, 27,548.50 and 12,799.04 is: 17,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.54 : 27,548.50 = 12,799.04 : x
  2. Step 2: Convert to fraction form
    19,971.54/27,548.50 = 12,799.04/x
  3. Step 3: Cross multiply
    19,971.54x = 27,548.50 × 12,799.04
  4. Step 4: Simplify right side
    19,971.54x = 352,594,353.44
  5. Step 5: Solve for x
    x = 352,594,353.44/19,971.54
  6. Step 6: Final answer
    x = 17,654.84

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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.