Home / 20,563.04-30,839.82-6,520.46

Finding the Fourth Proportional to 20,563.04, 30,839.82 and 6,520.46

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Solution

The fourth proportional to 20,563.04, 30,839.82 and 6,520.46 is: 9,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563.04 : 30,839.82 = 6,520.46 : x
  2. Step 2: Convert to fraction form
    20,563.04/30,839.82 = 6,520.46/x
  3. Step 3: Cross multiply
    20,563.04x = 30,839.82 × 6,520.46
  4. Step 4: Simplify right side
    20,563.04x = 201,089,658.52
  5. Step 5: Solve for x
    x = 201,089,658.52/20,563.04
  6. Step 6: Final answer
    x = 9,779.18

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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.