Home / 26,135.18-39,173.59-11,321.90

Finding the Fourth Proportional to 26,135.18, 39,173.59 and 11,321.90

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Solution

The fourth proportional to 26,135.18, 39,173.59 and 11,321.90 is: 16,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,135.18 : 39,173.59 = 11,321.90 : x
  2. Step 2: Convert to fraction form
    26,135.18/39,173.59 = 11,321.90/x
  3. Step 3: Cross multiply
    26,135.18x = 39,173.59 × 11,321.90
  4. Step 4: Simplify right side
    26,135.18x = 443,519,468.62
  5. Step 5: Solve for x
    x = 443,519,468.62/26,135.18
  6. Step 6: Final answer
    x = 16,970.21

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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.