Home / 12,145.44-18,194.32-10,823.02

Finding the Fourth Proportional to 12,145.44, 18,194.32 and 10,823.02

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Solution

The fourth proportional to 12,145.44, 18,194.32 and 10,823.02 is: 16,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145.44 : 18,194.32 = 10,823.02 : x
  2. Step 2: Convert to fraction form
    12,145.44/18,194.32 = 10,823.02/x
  3. Step 3: Cross multiply
    12,145.44x = 18,194.32 × 10,823.02
  4. Step 4: Simplify right side
    12,145.44x = 196,917,457.29
  5. Step 5: Solve for x
    x = 196,917,457.29/12,145.44
  6. Step 6: Final answer
    x = 16,213.28

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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.