Home / 9,321.86-13,996.56-6,221.18

Finding the Fourth Proportional to 9,321.86, 13,996.56 and 6,221.18

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Solution

The fourth proportional to 9,321.86, 13,996.56 and 6,221.18 is: 9,340.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.86 : 13,996.56 = 6,221.18 : x
  2. Step 2: Convert to fraction form
    9,321.86/13,996.56 = 6,221.18/x
  3. Step 3: Cross multiply
    9,321.86x = 13,996.56 × 6,221.18
  4. Step 4: Simplify right side
    9,321.86x = 87,075,119.14
  5. Step 5: Solve for x
    x = 87,075,119.14/9,321.86
  6. Step 6: Final answer
    x = 9,340.96

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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.