Home / 13,576.72-20,368.26-4,216.26

Finding the Fourth Proportional to 13,576.72, 20,368.26 and 4,216.26

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Solution

The fourth proportional to 13,576.72, 20,368.26 and 4,216.26 is: 6,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.72 : 20,368.26 = 4,216.26 : x
  2. Step 2: Convert to fraction form
    13,576.72/20,368.26 = 4,216.26/x
  3. Step 3: Cross multiply
    13,576.72x = 20,368.26 × 4,216.26
  4. Step 4: Simplify right side
    13,576.72x = 85,877,879.91
  5. Step 5: Solve for x
    x = 85,877,879.91/13,576.72
  6. Step 6: Final answer
    x = 6,325.38

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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.