Home / 17,640.12-26,470.56-6,554.60

Finding the Fourth Proportional to 17,640.12, 26,470.56 and 6,554.60

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Solution

The fourth proportional to 17,640.12, 26,470.56 and 6,554.60 is: 9,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.12 : 26,470.56 = 6,554.60 : x
  2. Step 2: Convert to fraction form
    17,640.12/26,470.56 = 6,554.60/x
  3. Step 3: Cross multiply
    17,640.12x = 26,470.56 × 6,554.60
  4. Step 4: Simplify right side
    17,640.12x = 173,503,932.58
  5. Step 5: Solve for x
    x = 173,503,932.58/17,640.12
  6. Step 6: Final answer
    x = 9,835.76

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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.