Home / 17,976.40-26,964.60-6,286.89

Finding the Fourth Proportional to 17,976.40, 26,964.60 and 6,286.89

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Solution

The fourth proportional to 17,976.40, 26,964.60 and 6,286.89 is: 9,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,976.40 : 26,964.60 = 6,286.89 : x
  2. Step 2: Convert to fraction form
    17,976.40/26,964.60 = 6,286.89/x
  3. Step 3: Cross multiply
    17,976.40x = 26,964.60 × 6,286.89
  4. Step 4: Simplify right side
    17,976.40x = 169,523,474.09
  5. Step 5: Solve for x
    x = 169,523,474.09/17,976.40
  6. Step 6: Final answer
    x = 9,430.34

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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.