Home / 20,351.84-30,530.64-6,313.02

Finding the Fourth Proportional to 20,351.84, 30,530.64 and 6,313.02

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Solution

The fourth proportional to 20,351.84, 30,530.64 and 6,313.02 is: 9,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351.84 : 30,530.64 = 6,313.02 : x
  2. Step 2: Convert to fraction form
    20,351.84/30,530.64 = 6,313.02/x
  3. Step 3: Cross multiply
    20,351.84x = 30,530.64 × 6,313.02
  4. Step 4: Simplify right side
    20,351.84x = 192,740,450.12
  5. Step 5: Solve for x
    x = 192,740,450.12/20,351.84
  6. Step 6: Final answer
    x = 9,470.42

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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.