Home / 18,127.35-25,015.80-10,169.58

Finding the Fourth Proportional to 18,127.35, 25,015.80 and 10,169.58

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Solution

The fourth proportional to 18,127.35, 25,015.80 and 10,169.58 is: 14,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.35 : 25,015.80 = 10,169.58 : x
  2. Step 2: Convert to fraction form
    18,127.35/25,015.80 = 10,169.58/x
  3. Step 3: Cross multiply
    18,127.35x = 25,015.80 × 10,169.58
  4. Step 4: Simplify right side
    18,127.35x = 254,400,179.36
  5. Step 5: Solve for x
    x = 254,400,179.36/18,127.35
  6. Step 6: Final answer
    x = 14,034.05

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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.