Home / 20,884.72-31,325.66-9,793.84

Finding the Fourth Proportional to 20,884.72, 31,325.66 and 9,793.84

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Solution

The fourth proportional to 20,884.72, 31,325.66 and 9,793.84 is: 14,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884.72 : 31,325.66 = 9,793.84 : x
  2. Step 2: Convert to fraction form
    20,884.72/31,325.66 = 9,793.84/x
  3. Step 3: Cross multiply
    20,884.72x = 31,325.66 × 9,793.84
  4. Step 4: Simplify right side
    20,884.72x = 306,798,501.93
  5. Step 5: Solve for x
    x = 306,798,501.93/20,884.72
  6. Step 6: Final answer
    x = 14,690.09

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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.