Home / 11,319.55-16,977.40-3,527.75

Finding the Fourth Proportional to 11,319.55, 16,977.40 and 3,527.75

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Solution

The fourth proportional to 11,319.55, 16,977.40 and 3,527.75 is: 5,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.55 : 16,977.40 = 3,527.75 : x
  2. Step 2: Convert to fraction form
    11,319.55/16,977.40 = 3,527.75/x
  3. Step 3: Cross multiply
    11,319.55x = 16,977.40 × 3,527.75
  4. Step 4: Simplify right side
    11,319.55x = 59,892,056.47
  5. Step 5: Solve for x
    x = 59,892,056.47/11,319.55
  6. Step 6: Final answer
    x = 5,291.03

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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.