Home / 20,253.93-30,380.81-5,464.35

Finding the Fourth Proportional to 20,253.93, 30,380.81 and 5,464.35

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Solution

The fourth proportional to 20,253.93, 30,380.81 and 5,464.35 is: 8,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.93 : 30,380.81 = 5,464.35 : x
  2. Step 2: Convert to fraction form
    20,253.93/30,380.81 = 5,464.35/x
  3. Step 3: Cross multiply
    20,253.93x = 30,380.81 × 5,464.35
  4. Step 4: Simplify right side
    20,253.93x = 166,011,351.80
  5. Step 5: Solve for x
    x = 166,011,351.80/20,253.93
  6. Step 6: Final answer
    x = 8,196.50

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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.