Home / 13,241.20-19,855.80-9,527.86

Finding the Fourth Proportional to 13,241.20, 19,855.80 and 9,527.86

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Solution

The fourth proportional to 13,241.20, 19,855.80 and 9,527.86 is: 14,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.20 : 19,855.80 = 9,527.86 : x
  2. Step 2: Convert to fraction form
    13,241.20/19,855.80 = 9,527.86/x
  3. Step 3: Cross multiply
    13,241.20x = 19,855.80 × 9,527.86
  4. Step 4: Simplify right side
    13,241.20x = 189,183,282.59
  5. Step 5: Solve for x
    x = 189,183,282.59/13,241.20
  6. Step 6: Final answer
    x = 14,287.47

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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.