Home / 20,576.72-30,861.91-6,534.91

Finding the Fourth Proportional to 20,576.72, 30,861.91 and 6,534.91

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Solution

The fourth proportional to 20,576.72, 30,861.91 and 6,534.91 is: 9,801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,576.72 : 30,861.91 = 6,534.91 : x
  2. Step 2: Convert to fraction form
    20,576.72/30,861.91 = 6,534.91/x
  3. Step 3: Cross multiply
    20,576.72x = 30,861.91 × 6,534.91
  4. Step 4: Simplify right side
    20,576.72x = 201,679,804.28
  5. Step 5: Solve for x
    x = 201,679,804.28/20,576.72
  6. Step 6: Final answer
    x = 9,801.36

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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.