Home / 20,423.30-30,635.73-6,384.62

Finding the Fourth Proportional to 20,423.30, 30,635.73 and 6,384.62

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Solution

The fourth proportional to 20,423.30, 30,635.73 and 6,384.62 is: 9,577.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,423.30 : 30,635.73 = 6,384.62 : x
  2. Step 2: Convert to fraction form
    20,423.30/30,635.73 = 6,384.62/x
  3. Step 3: Cross multiply
    20,423.30x = 30,635.73 × 6,384.62
  4. Step 4: Simplify right side
    20,423.30x = 195,597,494.47
  5. Step 5: Solve for x
    x = 195,597,494.47/20,423.30
  6. Step 6: Final answer
    x = 9,577.17

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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.