Home / 17,618.22-26,415.54-9,289.44

Finding the Fourth Proportional to 17,618.22, 26,415.54 and 9,289.44

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Solution

The fourth proportional to 17,618.22, 26,415.54 and 9,289.44 is: 13,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.22 : 26,415.54 = 9,289.44 : x
  2. Step 2: Convert to fraction form
    17,618.22/26,415.54 = 9,289.44/x
  3. Step 3: Cross multiply
    17,618.22x = 26,415.54 × 9,289.44
  4. Step 4: Simplify right side
    17,618.22x = 245,385,573.90
  5. Step 5: Solve for x
    x = 245,385,573.90/17,618.22
  6. Step 6: Final answer
    x = 13,927.94

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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.