Home / 20,330.41-30,483.56-6,286.28

Finding the Fourth Proportional to 20,330.41, 30,483.56 and 6,286.28

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Solution

The fourth proportional to 20,330.41, 30,483.56 and 6,286.28 is: 9,425.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,330.41 : 30,483.56 = 6,286.28 : x
  2. Step 2: Convert to fraction form
    20,330.41/30,483.56 = 6,286.28/x
  3. Step 3: Cross multiply
    20,330.41x = 30,483.56 × 6,286.28
  4. Step 4: Simplify right side
    20,330.41x = 191,628,041.14
  5. Step 5: Solve for x
    x = 191,628,041.14/20,330.41
  6. Step 6: Final answer
    x = 9,425.69

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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.