Home / 18,145.35-25,041.56-10,190.07

Finding the Fourth Proportional to 18,145.35, 25,041.56 and 10,190.07

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Solution

The fourth proportional to 18,145.35, 25,041.56 and 10,190.07 is: 14,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.35 : 25,041.56 = 10,190.07 : x
  2. Step 2: Convert to fraction form
    18,145.35/25,041.56 = 10,190.07/x
  3. Step 3: Cross multiply
    18,145.35x = 25,041.56 × 10,190.07
  4. Step 4: Simplify right side
    18,145.35x = 255,175,198.36
  5. Step 5: Solve for x
    x = 255,175,198.36/18,145.35
  6. Step 6: Final answer
    x = 14,062.84

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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.