Home / 20,704.46-31,052.12-5,913.05

Finding the Fourth Proportional to 20,704.46, 31,052.12 and 5,913.05

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Solution

The fourth proportional to 20,704.46, 31,052.12 and 5,913.05 is: 8,868.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704.46 : 31,052.12 = 5,913.05 : x
  2. Step 2: Convert to fraction form
    20,704.46/31,052.12 = 5,913.05/x
  3. Step 3: Cross multiply
    20,704.46x = 31,052.12 × 5,913.05
  4. Step 4: Simplify right side
    20,704.46x = 183,612,553.34
  5. Step 5: Solve for x
    x = 183,612,553.34/20,704.46
  6. Step 6: Final answer
    x = 8,868.26

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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.