Home / 20,254.11-30,378.99-5,464.53

Finding the Fourth Proportional to 20,254.11, 30,378.99 and 5,464.53

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Solution

The fourth proportional to 20,254.11, 30,378.99 and 5,464.53 is: 8,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.11 : 30,378.99 = 5,464.53 : x
  2. Step 2: Convert to fraction form
    20,254.11/30,378.99 = 5,464.53/x
  3. Step 3: Cross multiply
    20,254.11x = 30,378.99 × 5,464.53
  4. Step 4: Simplify right side
    20,254.11x = 166,006,902.22
  5. Step 5: Solve for x
    x = 166,006,902.22/20,254.11
  6. Step 6: Final answer
    x = 8,196.21

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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.