Home / 20,246.14-30,358.68-9,147.52

Finding the Fourth Proportional to 20,246.14, 30,358.68 and 9,147.52

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Solution

The fourth proportional to 20,246.14, 30,358.68 and 9,147.52 is: 13,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.14 : 30,358.68 = 9,147.52 : x
  2. Step 2: Convert to fraction form
    20,246.14/30,358.68 = 9,147.52/x
  3. Step 3: Cross multiply
    20,246.14x = 30,358.68 × 9,147.52
  4. Step 4: Simplify right side
    20,246.14x = 277,706,632.47
  5. Step 5: Solve for x
    x = 277,706,632.47/20,246.14
  6. Step 6: Final answer
    x = 13,716.52

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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.