Home / 20,145.14-30,218.30-9,616.27

Finding the Fourth Proportional to 20,145.14, 30,218.30 and 9,616.27

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Solution

The fourth proportional to 20,145.14, 30,218.30 and 9,616.27 is: 14,424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,145.14 : 30,218.30 = 9,616.27 : x
  2. Step 2: Convert to fraction form
    20,145.14/30,218.30 = 9,616.27/x
  3. Step 3: Cross multiply
    20,145.14x = 30,218.30 × 9,616.27
  4. Step 4: Simplify right side
    20,145.14x = 290,587,331.74
  5. Step 5: Solve for x
    x = 290,587,331.74/20,145.14
  6. Step 6: Final answer
    x = 14,424.69

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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.