Home / 17,717.75-26,576.64-5,405.75

Finding the Fourth Proportional to 17,717.75, 26,576.64 and 5,405.75

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Solution

The fourth proportional to 17,717.75, 26,576.64 and 5,405.75 is: 8,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,717.75 : 26,576.64 = 5,405.75 : x
  2. Step 2: Convert to fraction form
    17,717.75/26,576.64 = 5,405.75/x
  3. Step 3: Cross multiply
    17,717.75x = 26,576.64 × 5,405.75
  4. Step 4: Simplify right side
    17,717.75x = 143,666,671.68
  5. Step 5: Solve for x
    x = 143,666,671.68/17,717.75
  6. Step 6: Final answer
    x = 8,108.63

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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.