Home / 13,491.26-20,238.10-3,630.32

Finding the Fourth Proportional to 13,491.26, 20,238.10 and 3,630.32

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Solution

The fourth proportional to 13,491.26, 20,238.10 and 3,630.32 is: 5,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.26 : 20,238.10 = 3,630.32 : x
  2. Step 2: Convert to fraction form
    13,491.26/20,238.10 = 3,630.32/x
  3. Step 3: Cross multiply
    13,491.26x = 20,238.10 × 3,630.32
  4. Step 4: Simplify right side
    13,491.26x = 73,470,779.19
  5. Step 5: Solve for x
    x = 73,470,779.19/13,491.26
  6. Step 6: Final answer
    x = 5,445.81

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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.