Home / 13,217.35-18,230.38-11,224.75

Finding the Fourth Proportional to 13,217.35, 18,230.38 and 11,224.75

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Solution

The fourth proportional to 13,217.35, 18,230.38 and 11,224.75 is: 15,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.35 : 18,230.38 = 11,224.75 : x
  2. Step 2: Convert to fraction form
    13,217.35/18,230.38 = 11,224.75/x
  3. Step 3: Cross multiply
    13,217.35x = 18,230.38 × 11,224.75
  4. Step 4: Simplify right side
    13,217.35x = 204,631,457.91
  5. Step 5: Solve for x
    x = 204,631,457.91/13,217.35
  6. Step 6: Final answer
    x = 15,482.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.