Home / 20,633.72-30,950.63-7,486.11

Finding the Fourth Proportional to 20,633.72, 30,950.63 and 7,486.11

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Solution

The fourth proportional to 20,633.72, 30,950.63 and 7,486.11 is: 11,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633.72 : 30,950.63 = 7,486.11 : x
  2. Step 2: Convert to fraction form
    20,633.72/30,950.63 = 7,486.11/x
  3. Step 3: Cross multiply
    20,633.72x = 30,950.63 × 7,486.11
  4. Step 4: Simplify right side
    20,633.72x = 231,699,783.32
  5. Step 5: Solve for x
    x = 231,699,783.32/20,633.72
  6. Step 6: Final answer
    x = 11,229.18

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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.