Home / 17,778.87-26,662.50-6,531.62

Finding the Fourth Proportional to 17,778.87, 26,662.50 and 6,531.62

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Solution

The fourth proportional to 17,778.87, 26,662.50 and 6,531.62 is: 9,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778.87 : 26,662.50 = 6,531.62 : x
  2. Step 2: Convert to fraction form
    17,778.87/26,662.50 = 6,531.62/x
  3. Step 3: Cross multiply
    17,778.87x = 26,662.50 × 6,531.62
  4. Step 4: Simplify right side
    17,778.87x = 174,149,184.94
  5. Step 5: Solve for x
    x = 174,149,184.94/17,778.87
  6. Step 6: Final answer
    x = 9,795.29

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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.