Home / 20,633.33-30,945-9,529.34

Finding the Fourth Proportional to 20,633.33, 30,945 and 9,529.34

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Solution

The fourth proportional to 20,633.33, 30,945 and 9,529.34 is: 14,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633.33 : 30,945 = 9,529.34 : x
  2. Step 2: Convert to fraction form
    20,633.33/30,945 = 9,529.34/x
  3. Step 3: Cross multiply
    20,633.33x = 30,945 × 9,529.34
  4. Step 4: Simplify right side
    20,633.33x = 294,885,271.58
  5. Step 5: Solve for x
    x = 294,885,271.58/20,633.33
  6. Step 6: Final answer
    x = 14,291.70

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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.