Home / 20,160.42-30,241.05-7,337.15

Finding the Fourth Proportional to 20,160.42, 30,241.05 and 7,337.15

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Solution

The fourth proportional to 20,160.42, 30,241.05 and 7,337.15 is: 11,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.42 : 30,241.05 = 7,337.15 : x
  2. Step 2: Convert to fraction form
    20,160.42/30,241.05 = 7,337.15/x
  3. Step 3: Cross multiply
    20,160.42x = 30,241.05 × 7,337.15
  4. Step 4: Simplify right side
    20,160.42x = 221,882,968.80
  5. Step 5: Solve for x
    x = 221,882,968.80/20,160.42
  6. Step 6: Final answer
    x = 11,005.87

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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.