Home / 13,072.21-19,576.96-7,508.72

Finding the Fourth Proportional to 13,072.21, 19,576.96 and 7,508.72

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Solution

The fourth proportional to 13,072.21, 19,576.96 and 7,508.72 is: 11,245.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.21 : 19,576.96 = 7,508.72 : x
  2. Step 2: Convert to fraction form
    13,072.21/19,576.96 = 7,508.72/x
  3. Step 3: Cross multiply
    13,072.21x = 19,576.96 × 7,508.72
  4. Step 4: Simplify right side
    13,072.21x = 146,997,911.09
  5. Step 5: Solve for x
    x = 146,997,911.09/13,072.21
  6. Step 6: Final answer
    x = 11,245.07

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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.