Home / 20,187.58-30,294.06-10,708.42

Finding the Fourth Proportional to 20,187.58, 30,294.06 and 10,708.42

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Solution

The fourth proportional to 20,187.58, 30,294.06 and 10,708.42 is: 16,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.58 : 30,294.06 = 10,708.42 : x
  2. Step 2: Convert to fraction form
    20,187.58/30,294.06 = 10,708.42/x
  3. Step 3: Cross multiply
    20,187.58x = 30,294.06 × 10,708.42
  4. Step 4: Simplify right side
    20,187.58x = 324,401,517.99
  5. Step 5: Solve for x
    x = 324,401,517.99/20,187.58
  6. Step 6: Final answer
    x = 16,069.36

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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.