Home / 22,245.18-30,697.02-12,171.75

Finding the Fourth Proportional to 22,245.18, 30,697.02 and 12,171.75

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Solution

The fourth proportional to 22,245.18, 30,697.02 and 12,171.75 is: 16,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.18 : 30,697.02 = 12,171.75 : x
  2. Step 2: Convert to fraction form
    22,245.18/30,697.02 = 12,171.75/x
  3. Step 3: Cross multiply
    22,245.18x = 30,697.02 × 12,171.75
  4. Step 4: Simplify right side
    22,245.18x = 373,636,453.19
  5. Step 5: Solve for x
    x = 373,636,453.19/22,245.18
  6. Step 6: Final answer
    x = 16,796.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.