Home / 20,952.09-31,423.28-6,157.04

Finding the Fourth Proportional to 20,952.09, 31,423.28 and 6,157.04

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Solution

The fourth proportional to 20,952.09, 31,423.28 and 6,157.04 is: 9,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,952.09 : 31,423.28 = 6,157.04 : x
  2. Step 2: Convert to fraction form
    20,952.09/31,423.28 = 6,157.04/x
  3. Step 3: Cross multiply
    20,952.09x = 31,423.28 × 6,157.04
  4. Step 4: Simplify right side
    20,952.09x = 193,474,203.99
  5. Step 5: Solve for x
    x = 193,474,203.99/20,952.09
  6. Step 6: Final answer
    x = 9,234.12

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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.