Home / 12,029.22-18,046.56-5,457.29

Finding the Fourth Proportional to 12,029.22, 18,046.56 and 5,457.29

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Solution

The fourth proportional to 12,029.22, 18,046.56 and 5,457.29 is: 8,187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.22 : 18,046.56 = 5,457.29 : x
  2. Step 2: Convert to fraction form
    12,029.22/18,046.56 = 5,457.29/x
  3. Step 3: Cross multiply
    12,029.22x = 18,046.56 × 5,457.29
  4. Step 4: Simplify right side
    12,029.22x = 98,485,241.65
  5. Step 5: Solve for x
    x = 98,485,241.65/12,029.22
  6. Step 6: Final answer
    x = 8,187.17

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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.