Home / 17,553.93-26,330.49-8,782.44

Finding the Fourth Proportional to 17,553.93, 26,330.49 and 8,782.44

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Solution

The fourth proportional to 17,553.93, 26,330.49 and 8,782.44 is: 13,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,553.93 : 26,330.49 = 8,782.44 : x
  2. Step 2: Convert to fraction form
    17,553.93/26,330.49 = 8,782.44/x
  3. Step 3: Cross multiply
    17,553.93x = 26,330.49 × 8,782.44
  4. Step 4: Simplify right side
    17,553.93x = 231,245,948.60
  5. Step 5: Solve for x
    x = 231,245,948.60/17,553.93
  6. Step 6: Final answer
    x = 13,173.46

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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.