Home / 12,223.08-18,334.62-3,457.80

Finding the Fourth Proportional to 12,223.08, 18,334.62 and 3,457.80

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Solution

The fourth proportional to 12,223.08, 18,334.62 and 3,457.80 is: 5,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.08 : 18,334.62 = 3,457.80 : x
  2. Step 2: Convert to fraction form
    12,223.08/18,334.62 = 3,457.80/x
  3. Step 3: Cross multiply
    12,223.08x = 18,334.62 × 3,457.80
  4. Step 4: Simplify right side
    12,223.08x = 63,397,449.04
  5. Step 5: Solve for x
    x = 63,397,449.04/12,223.08
  6. Step 6: Final answer
    x = 5,186.70

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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.