Home / 13,423.44-20,136.16-3,562.50

Finding the Fourth Proportional to 13,423.44, 20,136.16 and 3,562.50

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Solution

The fourth proportional to 13,423.44, 20,136.16 and 3,562.50 is: 5,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.44 : 20,136.16 = 3,562.50 : x
  2. Step 2: Convert to fraction form
    13,423.44/20,136.16 = 3,562.50/x
  3. Step 3: Cross multiply
    13,423.44x = 20,136.16 × 3,562.50
  4. Step 4: Simplify right side
    13,423.44x = 71,735,070
  5. Step 5: Solve for x
    x = 71,735,070/13,423.44
  6. Step 6: Final answer
    x = 5,344.02

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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.