Home / 17,640.35-26,446.65-12,076.83

Finding the Fourth Proportional to 17,640.35, 26,446.65 and 12,076.83

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Solution

The fourth proportional to 17,640.35, 26,446.65 and 12,076.83 is: 18,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.35 : 26,446.65 = 12,076.83 : x
  2. Step 2: Convert to fraction form
    17,640.35/26,446.65 = 12,076.83/x
  3. Step 3: Cross multiply
    17,640.35x = 26,446.65 × 12,076.83
  4. Step 4: Simplify right side
    17,640.35x = 319,391,718.76
  5. Step 5: Solve for x
    x = 319,391,718.76/17,640.35
  6. Step 6: Final answer
    x = 18,105.75

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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.