Home / 20,764.41-31,143.24-5,969.97

Finding the Fourth Proportional to 20,764.41, 31,143.24 and 5,969.97

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Solution

The fourth proportional to 20,764.41, 31,143.24 and 5,969.97 is: 8,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,764.41 : 31,143.24 = 5,969.97 : x
  2. Step 2: Convert to fraction form
    20,764.41/31,143.24 = 5,969.97/x
  3. Step 3: Cross multiply
    20,764.41x = 31,143.24 × 5,969.97
  4. Step 4: Simplify right side
    20,764.41x = 185,924,208.50
  5. Step 5: Solve for x
    x = 185,924,208.50/20,764.41
  6. Step 6: Final answer
    x = 8,953.98

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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.