Home / 13,441.34-20,109.87-9,701.71

Finding the Fourth Proportional to 13,441.34, 20,109.87 and 9,701.71

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Solution

The fourth proportional to 13,441.34, 20,109.87 and 9,701.71 is: 14,514.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.34 : 20,109.87 = 9,701.71 : x
  2. Step 2: Convert to fraction form
    13,441.34/20,109.87 = 9,701.71/x
  3. Step 3: Cross multiply
    13,441.34x = 20,109.87 × 9,701.71
  4. Step 4: Simplify right side
    13,441.34x = 195,100,076.60
  5. Step 5: Solve for x
    x = 195,100,076.60/13,441.34
  6. Step 6: Final answer
    x = 14,514.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.