Home / 20,208.84-30,313.32-7,061.22

Finding the Fourth Proportional to 20,208.84, 30,313.32 and 7,061.22

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Solution

The fourth proportional to 20,208.84, 30,313.32 and 7,061.22 is: 10,591.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208.84 : 30,313.32 = 7,061.22 : x
  2. Step 2: Convert to fraction form
    20,208.84/30,313.32 = 7,061.22/x
  3. Step 3: Cross multiply
    20,208.84x = 30,313.32 × 7,061.22
  4. Step 4: Simplify right side
    20,208.84x = 214,049,021.45
  5. Step 5: Solve for x
    x = 214,049,021.45/20,208.84
  6. Step 6: Final answer
    x = 10,591.85

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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.