Home / 20,964.56-31,447.85-6,173.62

Finding the Fourth Proportional to 20,964.56, 31,447.85 and 6,173.62

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Solution

The fourth proportional to 20,964.56, 31,447.85 and 6,173.62 is: 9,260.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,964.56 : 31,447.85 = 6,173.62 : x
  2. Step 2: Convert to fraction form
    20,964.56/31,447.85 = 6,173.62/x
  3. Step 3: Cross multiply
    20,964.56x = 31,447.85 × 6,173.62
  4. Step 4: Simplify right side
    20,964.56x = 194,146,966.23
  5. Step 5: Solve for x
    x = 194,146,966.23/20,964.56
  6. Step 6: Final answer
    x = 9,260.72

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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.