Home / 12,789.04-17,654.88-11,081.02

Finding the Fourth Proportional to 12,789.04, 17,654.88 and 11,081.02

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Solution

The fourth proportional to 12,789.04, 17,654.88 and 11,081.02 is: 15,297.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789.04 : 17,654.88 = 11,081.02 : x
  2. Step 2: Convert to fraction form
    12,789.04/17,654.88 = 11,081.02/x
  3. Step 3: Cross multiply
    12,789.04x = 17,654.88 × 11,081.02
  4. Step 4: Simplify right side
    12,789.04x = 195,634,078.38
  5. Step 5: Solve for x
    x = 195,634,078.38/12,789.04
  6. Step 6: Final answer
    x = 15,297.01

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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.