Home / 20,248.14-30,361.68-9,149.52

Finding the Fourth Proportional to 20,248.14, 30,361.68 and 9,149.52

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Solution

The fourth proportional to 20,248.14, 30,361.68 and 9,149.52 is: 13,719.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.14 : 30,361.68 = 9,149.52 : x
  2. Step 2: Convert to fraction form
    20,248.14/30,361.68 = 9,149.52/x
  3. Step 3: Cross multiply
    20,248.14x = 30,361.68 × 9,149.52
  4. Step 4: Simplify right side
    20,248.14x = 277,794,798.39
  5. Step 5: Solve for x
    x = 277,794,798.39/20,248.14
  6. Step 6: Final answer
    x = 13,719.52

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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.