Home / 13,902.21-20,855.60-4,539.53

Finding the Fourth Proportional to 13,902.21, 20,855.60 and 4,539.53

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Solution

The fourth proportional to 13,902.21, 20,855.60 and 4,539.53 is: 6,810.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.21 : 20,855.60 = 4,539.53 : x
  2. Step 2: Convert to fraction form
    13,902.21/20,855.60 = 4,539.53/x
  3. Step 3: Cross multiply
    13,902.21x = 20,855.60 × 4,539.53
  4. Step 4: Simplify right side
    13,902.21x = 94,674,494.89
  5. Step 5: Solve for x
    x = 94,674,494.89/13,902.21
  6. Step 6: Final answer
    x = 6,810.03

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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.