Home / 18,142.52-25,034.74-10,185.62

Finding the Fourth Proportional to 18,142.52, 25,034.74 and 10,185.62

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Solution

The fourth proportional to 18,142.52, 25,034.74 and 10,185.62 is: 14,055.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.52 : 25,034.74 = 10,185.62 : x
  2. Step 2: Convert to fraction form
    18,142.52/25,034.74 = 10,185.62/x
  3. Step 3: Cross multiply
    18,142.52x = 25,034.74 × 10,185.62
  4. Step 4: Simplify right side
    18,142.52x = 254,994,348.44
  5. Step 5: Solve for x
    x = 254,994,348.44/18,142.52
  6. Step 6: Final answer
    x = 14,055.07

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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.