Home / 13,596.21-20,383.34-5,271.93

Finding the Fourth Proportional to 13,596.21, 20,383.34 and 5,271.93

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Solution

The fourth proportional to 13,596.21, 20,383.34 and 5,271.93 is: 7,903.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.21 : 20,383.34 = 5,271.93 : x
  2. Step 2: Convert to fraction form
    13,596.21/20,383.34 = 5,271.93/x
  3. Step 3: Cross multiply
    13,596.21x = 20,383.34 × 5,271.93
  4. Step 4: Simplify right side
    13,596.21x = 107,459,515.29
  5. Step 5: Solve for x
    x = 107,459,515.29/13,596.21
  6. Step 6: Final answer
    x = 7,903.64

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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.