Home / 20,704.54-31,056.07-6,665.52

Finding the Fourth Proportional to 20,704.54, 31,056.07 and 6,665.52

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Solution

The fourth proportional to 20,704.54, 31,056.07 and 6,665.52 is: 9,998.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704.54 : 31,056.07 = 6,665.52 : x
  2. Step 2: Convert to fraction form
    20,704.54/31,056.07 = 6,665.52/x
  3. Step 3: Cross multiply
    20,704.54x = 31,056.07 × 6,665.52
  4. Step 4: Simplify right side
    20,704.54x = 207,004,715.34
  5. Step 5: Solve for x
    x = 207,004,715.34/20,704.54
  6. Step 6: Final answer
    x = 9,998.04

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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.