Home / 20,280.16-30,423.17-6,241.39

Finding the Fourth Proportional to 20,280.16, 30,423.17 and 6,241.39

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Solution

The fourth proportional to 20,280.16, 30,423.17 and 6,241.39 is: 9,362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280.16 : 30,423.17 = 6,241.39 : x
  2. Step 2: Convert to fraction form
    20,280.16/30,423.17 = 6,241.39/x
  3. Step 3: Cross multiply
    20,280.16x = 30,423.17 × 6,241.39
  4. Step 4: Simplify right side
    20,280.16x = 189,882,837.80
  5. Step 5: Solve for x
    x = 189,882,837.80/20,280.16
  6. Step 6: Final answer
    x = 9,362.99

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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.