Home / 20,866.56-31,293.23-6,823.34

Finding the Fourth Proportional to 20,866.56, 31,293.23 and 6,823.34

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Solution

The fourth proportional to 20,866.56, 31,293.23 and 6,823.34 is: 10,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,866.56 : 31,293.23 = 6,823.34 : x
  2. Step 2: Convert to fraction form
    20,866.56/31,293.23 = 6,823.34/x
  3. Step 3: Cross multiply
    20,866.56x = 31,293.23 × 6,823.34
  4. Step 4: Simplify right side
    20,866.56x = 213,524,235.64
  5. Step 5: Solve for x
    x = 213,524,235.64/20,866.56
  6. Step 6: Final answer
    x = 10,232.85

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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.