Home / 18,119.82-25,006.59-10,161.90

Finding the Fourth Proportional to 18,119.82, 25,006.59 and 10,161.90

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Solution

The fourth proportional to 18,119.82, 25,006.59 and 10,161.90 is: 14,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.82 : 25,006.59 = 10,161.90 : x
  2. Step 2: Convert to fraction form
    18,119.82/25,006.59 = 10,161.90/x
  3. Step 3: Cross multiply
    18,119.82x = 25,006.59 × 10,161.90
  4. Step 4: Simplify right side
    18,119.82x = 254,114,466.92
  5. Step 5: Solve for x
    x = 254,114,466.92/18,119.82
  6. Step 6: Final answer
    x = 14,024.12

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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.