Home / 17,617.18-26,418.09-6,665.50

Finding the Fourth Proportional to 17,617.18, 26,418.09 and 6,665.50

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Solution

The fourth proportional to 17,617.18, 26,418.09 and 6,665.50 is: 9,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.18 : 26,418.09 = 6,665.50 : x
  2. Step 2: Convert to fraction form
    17,617.18/26,418.09 = 6,665.50/x
  3. Step 3: Cross multiply
    17,617.18x = 26,418.09 × 6,665.50
  4. Step 4: Simplify right side
    17,617.18x = 176,089,778.90
  5. Step 5: Solve for x
    x = 176,089,778.90/17,617.18
  6. Step 6: Final answer
    x = 9,995.34

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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.