Home / 20,253.67-30,380.43-5,464.08

Finding the Fourth Proportional to 20,253.67, 30,380.43 and 5,464.08

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Solution

The fourth proportional to 20,253.67, 30,380.43 and 5,464.08 is: 8,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.67 : 30,380.43 = 5,464.08 : x
  2. Step 2: Convert to fraction form
    20,253.67/30,380.43 = 5,464.08/x
  3. Step 3: Cross multiply
    20,253.67x = 30,380.43 × 5,464.08
  4. Step 4: Simplify right side
    20,253.67x = 166,001,099.95
  5. Step 5: Solve for x
    x = 166,001,099.95/20,253.67
  6. Step 6: Final answer
    x = 8,196.10

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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.