Home / 18,198.22-25,110.21-10,239.16

Finding the Fourth Proportional to 18,198.22, 25,110.21 and 10,239.16

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Solution

The fourth proportional to 18,198.22, 25,110.21 and 10,239.16 is: 14,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.22 : 25,110.21 = 10,239.16 : x
  2. Step 2: Convert to fraction form
    18,198.22/25,110.21 = 10,239.16/x
  3. Step 3: Cross multiply
    18,198.22x = 25,110.21 × 10,239.16
  4. Step 4: Simplify right side
    18,198.22x = 257,107,457.82
  5. Step 5: Solve for x
    x = 257,107,457.82/18,198.22
  6. Step 6: Final answer
    x = 14,128.17

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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.