Home / 13,756.55-20,631.50-6,353.89

Finding the Fourth Proportional to 13,756.55, 20,631.50 and 6,353.89

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Solution

The fourth proportional to 13,756.55, 20,631.50 and 6,353.89 is: 9,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.55 : 20,631.50 = 6,353.89 : x
  2. Step 2: Convert to fraction form
    13,756.55/20,631.50 = 6,353.89/x
  3. Step 3: Cross multiply
    13,756.55x = 20,631.50 × 6,353.89
  4. Step 4: Simplify right side
    13,756.55x = 131,090,281.54
  5. Step 5: Solve for x
    x = 131,090,281.54/13,756.55
  6. Step 6: Final answer
    x = 9,529.30

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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.