Home / 17,860.72-26,789.40-12,054.64

Finding the Fourth Proportional to 17,860.72, 26,789.40 and 12,054.64

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Solution

The fourth proportional to 17,860.72, 26,789.40 and 12,054.64 is: 18,080.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860.72 : 26,789.40 = 12,054.64 : x
  2. Step 2: Convert to fraction form
    17,860.72/26,789.40 = 12,054.64/x
  3. Step 3: Cross multiply
    17,860.72x = 26,789.40 × 12,054.64
  4. Step 4: Simplify right side
    17,860.72x = 322,936,572.82
  5. Step 5: Solve for x
    x = 322,936,572.82/17,860.72
  6. Step 6: Final answer
    x = 18,080.83

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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.