Home / 20,137.14-30,205.08-9,614.70

Finding the Fourth Proportional to 20,137.14, 30,205.08 and 9,614.70

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Solution

The fourth proportional to 20,137.14, 30,205.08 and 9,614.70 is: 14,421.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,137.14 : 30,205.08 = 9,614.70 : x
  2. Step 2: Convert to fraction form
    20,137.14/30,205.08 = 9,614.70/x
  3. Step 3: Cross multiply
    20,137.14x = 30,205.08 × 9,614.70
  4. Step 4: Simplify right side
    20,137.14x = 290,412,782.68
  5. Step 5: Solve for x
    x = 290,412,782.68/20,137.14
  6. Step 6: Final answer
    x = 14,421.75

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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.