Home / 20,737.18-31,096.40-5,942.70

Finding the Fourth Proportional to 20,737.18, 31,096.40 and 5,942.70

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Solution

The fourth proportional to 20,737.18, 31,096.40 and 5,942.70 is: 8,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.18 : 31,096.40 = 5,942.70 : x
  2. Step 2: Convert to fraction form
    20,737.18/31,096.40 = 5,942.70/x
  3. Step 3: Cross multiply
    20,737.18x = 31,096.40 × 5,942.70
  4. Step 4: Simplify right side
    20,737.18x = 184,796,576.28
  5. Step 5: Solve for x
    x = 184,796,576.28/20,737.18
  6. Step 6: Final answer
    x = 8,911.36

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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.