Home / 13,343.72-20,007.84-4,576.28

Finding the Fourth Proportional to 13,343.72, 20,007.84 and 4,576.28

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Solution

The fourth proportional to 13,343.72, 20,007.84 and 4,576.28 is: 6,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.72 : 20,007.84 = 4,576.28 : x
  2. Step 2: Convert to fraction form
    13,343.72/20,007.84 = 4,576.28/x
  3. Step 3: Cross multiply
    13,343.72x = 20,007.84 × 4,576.28
  4. Step 4: Simplify right side
    13,343.72x = 91,561,478.04
  5. Step 5: Solve for x
    x = 91,561,478.04/13,343.72
  6. Step 6: Final answer
    x = 6,861.77

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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.