Home / 18,239.86-25,171.59-10,282.42

Finding the Fourth Proportional to 18,239.86, 25,171.59 and 10,282.42

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Solution

The fourth proportional to 18,239.86, 25,171.59 and 10,282.42 is: 14,190.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.86 : 25,171.59 = 10,282.42 : x
  2. Step 2: Convert to fraction form
    18,239.86/25,171.59 = 10,282.42/x
  3. Step 3: Cross multiply
    18,239.86x = 25,171.59 × 10,282.42
  4. Step 4: Simplify right side
    18,239.86x = 258,824,860.45
  5. Step 5: Solve for x
    x = 258,824,860.45/18,239.86
  6. Step 6: Final answer
    x = 14,190.07

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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.