Home / 15,189.64-22,770.90-8,173.42

Finding the Fourth Proportional to 15,189.64, 22,770.90 and 8,173.42

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Solution

The fourth proportional to 15,189.64, 22,770.90 and 8,173.42 is: 12,252.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189.64 : 22,770.90 = 8,173.42 : x
  2. Step 2: Convert to fraction form
    15,189.64/22,770.90 = 8,173.42/x
  3. Step 3: Cross multiply
    15,189.64x = 22,770.90 × 8,173.42
  4. Step 4: Simplify right side
    15,189.64x = 186,116,129.48
  5. Step 5: Solve for x
    x = 186,116,129.48/15,189.64
  6. Step 6: Final answer
    x = 12,252.83

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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.