Home / 20,462.14-30,653.79-17,135.74

Finding the Fourth Proportional to 20,462.14, 30,653.79 and 17,135.74

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Solution

The fourth proportional to 20,462.14, 30,653.79 and 17,135.74 is: 25,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,462.14 : 30,653.79 = 17,135.74 : x
  2. Step 2: Convert to fraction form
    20,462.14/30,653.79 = 17,135.74/x
  3. Step 3: Cross multiply
    20,462.14x = 30,653.79 × 17,135.74
  4. Step 4: Simplify right side
    20,462.14x = 525,275,375.45
  5. Step 5: Solve for x
    x = 525,275,375.45/20,462.14
  6. Step 6: Final answer
    x = 25,670.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.