Home / 17,883.72-26,830.44-12,722.40

Finding the Fourth Proportional to 17,883.72, 26,830.44 and 12,722.40

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Solution

The fourth proportional to 17,883.72, 26,830.44 and 12,722.40 is: 19,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,883.72 : 26,830.44 = 12,722.40 : x
  2. Step 2: Convert to fraction form
    17,883.72/26,830.44 = 12,722.40/x
  3. Step 3: Cross multiply
    17,883.72x = 26,830.44 × 12,722.40
  4. Step 4: Simplify right side
    17,883.72x = 341,347,589.86
  5. Step 5: Solve for x
    x = 341,347,589.86/17,883.72
  6. Step 6: Final answer
    x = 19,087.06

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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.