Home / 17,757.09-26,628.71-6,657.72

Finding the Fourth Proportional to 17,757.09, 26,628.71 and 6,657.72

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Solution

The fourth proportional to 17,757.09, 26,628.71 and 6,657.72 is: 9,983.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757.09 : 26,628.71 = 6,657.72 : x
  2. Step 2: Convert to fraction form
    17,757.09/26,628.71 = 6,657.72/x
  3. Step 3: Cross multiply
    17,757.09x = 26,628.71 × 6,657.72
  4. Step 4: Simplify right side
    17,757.09x = 177,286,495.14
  5. Step 5: Solve for x
    x = 177,286,495.14/17,757.09
  6. Step 6: Final answer
    x = 9,983.99

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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.