Home / 20,730.94-31,096.31-5,939.83

Finding the Fourth Proportional to 20,730.94, 31,096.31 and 5,939.83

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Solution

The fourth proportional to 20,730.94, 31,096.31 and 5,939.83 is: 8,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,730.94 : 31,096.31 = 5,939.83 : x
  2. Step 2: Convert to fraction form
    20,730.94/31,096.31 = 5,939.83/x
  3. Step 3: Cross multiply
    20,730.94x = 31,096.31 × 5,939.83
  4. Step 4: Simplify right side
    20,730.94x = 184,706,804.20
  5. Step 5: Solve for x
    x = 184,706,804.20/20,730.94
  6. Step 6: Final answer
    x = 8,909.72

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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.