Home / 20,571.35-30,858.63-6,532.18

Finding the Fourth Proportional to 20,571.35, 30,858.63 and 6,532.18

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Solution

The fourth proportional to 20,571.35, 30,858.63 and 6,532.18 is: 9,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571.35 : 30,858.63 = 6,532.18 : x
  2. Step 2: Convert to fraction form
    20,571.35/30,858.63 = 6,532.18/x
  3. Step 3: Cross multiply
    20,571.35x = 30,858.63 × 6,532.18
  4. Step 4: Simplify right side
    20,571.35x = 201,574,158.85
  5. Step 5: Solve for x
    x = 201,574,158.85/20,571.35
  6. Step 6: Final answer
    x = 9,798.78

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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.