Home / 20,280.41-30,423.54-6,241.64

Finding the Fourth Proportional to 20,280.41, 30,423.54 and 6,241.64

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Solution

The fourth proportional to 20,280.41, 30,423.54 and 6,241.64 is: 9,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280.41 : 30,423.54 = 6,241.64 : x
  2. Step 2: Convert to fraction form
    20,280.41/30,423.54 = 6,241.64/x
  3. Step 3: Cross multiply
    20,280.41x = 30,423.54 × 6,241.64
  4. Step 4: Simplify right side
    20,280.41x = 189,892,784.21
  5. Step 5: Solve for x
    x = 189,892,784.21/20,280.41
  6. Step 6: Final answer
    x = 9,363.36

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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.