Home / 9,131.68-13,697.52-2,206.18

Finding the Fourth Proportional to 9,131.68, 13,697.52 and 2,206.18

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Solution

The fourth proportional to 9,131.68, 13,697.52 and 2,206.18 is: 3,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.68 : 13,697.52 = 2,206.18 : x
  2. Step 2: Convert to fraction form
    9,131.68/13,697.52 = 2,206.18/x
  3. Step 3: Cross multiply
    9,131.68x = 13,697.52 × 2,206.18
  4. Step 4: Simplify right side
    9,131.68x = 30,219,194.67
  5. Step 5: Solve for x
    x = 30,219,194.67/9,131.68
  6. Step 6: Final answer
    x = 3,309.27

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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.